1490379939 has 32 divisors (see below), whose sum is σ = 2234053440. Its totient is φ = 981904896.

The previous prime is 1490379923. The next prime is 1490379973. The reversal of 1490379939 is 9399730941.

1490379939 is a `hidden beast` number, since 1 + 490 + 37 + 99 + 39 = 666.

It is not a de Polignac number, because 1490379939 - 2⁴ = 1490379923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1490379739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1698969 + ... + 1699845.

It is an arithmetic number, because the mean of its divisors is an integer number (69814170).

Almost surely, 2^1490379939 is an apocalyptic number.

1490379939 is a deficient number, since it is larger than the sum of its proper divisors (743673501).

1490379939 is a wasteful number, since it uses less digits than its factorization.

1490379939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The square root of 1490379939 is about 38605.4392411225. The cubic root of 1490379939 is about 1142.2618321287.

The spelling of 1490379939 in words is "one billion, four hundred ninety million, three hundred seventy-nine thousand, nine hundred thirty-nine".