1490603328 has 84 divisors (see below), whose sum is σ = 4320700020. Its totient is φ = 491268096.

The previous prime is 1490603321. The next prime is 1490603329. The reversal of 1490603328 is 8233060941.

1490603328 is a `hidden beast` number, since 1 + 49 + 0 + 603 + 3 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 739404864 + 751198464 = 27192^2 + 27408^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1490603292 and 1490603301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490603321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36726 + ... + 65802.

It is an arithmetic number, because the mean of its divisors is an integer number (51436905).

Almost surely, 2^1490603328 is an apocalyptic number.

1490603328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490603328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160350010).

1490603328 is an abundant number, since it is smaller than the sum of its proper divisors (2830096692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490603328 is a wasteful number, since it uses less digits than its factorization.

1490603328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29184 (or 29171 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1490603328 is about 38608.3323649183. The cubic root of 1490603328 is about 1142.3188994518.

The spelling of 1490603328 in words is "one billion, four hundred ninety million, six hundred three thousand, three hundred twenty-eight".