1396508904 has 64 divisors (see below), whose sum is σ = 4433366400. Its totient is φ = 399002112.

The previous prime is 1396508899. The next prime is 1396508909. The reversal of 1396508904 is 4098056931.

It is a happy number.

1396508904 is a `hidden beast` number, since 139 + 6 + 508 + 9 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1396508899) and next prime (1396508909).

It is a self number, because there is not a number n which added to its sum of digits gives 1396508904.

It is not an unprimeable number, because it can be changed into a prime (1396508909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460297 + ... + 463320.

It is an arithmetic number, because the mean of its divisors is an integer number (69271350).

Almost surely, 2^1396508904 is an apocalyptic number.

1396508904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1396508904 is an abundant number, since it is smaller than the sum of its proper divisors (3036857496).

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

1396508904 is a wasteful number, since it uses less digits than its factorization.

1396508904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923639 (or 923629 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1396508904 is about 37369.8930156349. The cubic root of 1396508904 is about 1117.7582989247.

The spelling of 1396508904 in words is "one billion, three hundred ninety-six million, five hundred eight thousand, nine hundred four".