1490271384 has 256 divisors, whose sum is σ = 4777574400. Its totient is φ = 377574912.

The previous prime is 1490271379. The next prime is 1490271389. The reversal of 1490271384 is 4831720941.

1490271384 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1490271379) and next prime (1490271389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490271389) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3890857 + ... + 3891239.

It is an arithmetic number, because the mean of its divisors is an integer number (18662400).

Almost surely, 2^1490271384 is an apocalyptic number.

1490271384 is a gapful number since it is divisible by the number (14) 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 1490271384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388787200).

1490271384 is an abundant number, since it is smaller than the sum of its proper divisors (3287303016).

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

1490271384 is a wasteful number, since it uses less digits than its factorization.

1490271384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1490271384 is about 38604.0332607877. The cubic root of 1490271384 is about 1142.2340984302.

The spelling of 1490271384 in words is "one billion, four hundred ninety million, two hundred seventy-one thousand, three hundred eighty-four".