1490356 has 48 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 576000.

The previous prime is 1490353. The next prime is 1490369. The reversal of 1490356 is 6530941.

It is a super-2 number, since 2×1490356² = 4442322013472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490351) 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 15 ways as a sum of consecutive naturals, for example, 14706 + ... + 14806.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2^1490356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645056).

1490356 is an abundant number, since it is smaller than the sum of its proper divisors (1799756).

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

1490356 is a wasteful number, since it uses less digits than its factorization.

1490356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1490356 is about 1220.8013761460. The cubic root of 1490356 is about 114.2255716294.

The spelling of 1490356 in words is "one million, four hundred ninety thousand, three hundred fifty-six".