1397462904 has 48 divisors (see below), whose sum is σ = 3915311400. Its totient is φ = 449757504.

The previous prime is 1397462881. The next prime is 1397462909. The reversal of 1397462904 is 4092647931.

It is a happy number.

1397462904 is a `hidden beast` number, since 13 + 9 + 7 + 4 + 629 + 0 + 4 = 666.

It is a super-2 number, since 2×1397462904² = 3905805136112226432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1397462904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397462909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332554 + ... + 336729.

Almost surely, 2^1397462904 is an apocalyptic number.

It is an amenable number.

1397462904 is an abundant number, since it is smaller than the sum of its proper divisors (2517848496).

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

1397462904 is a wasteful number, since it uses less digits than its factorization.

1397462904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669324 (or 669317 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1397462904 is about 37382.6551223960. The cubic root of 1397462904 is about 1118.0127664971.

The spelling of 1397462904 in words is "one billion, three hundred ninety-seven million, four hundred sixty-two thousand, nine hundred four".