3997456008 has 64 divisors (see below), whose sum is σ = 12299871360. Its totient is φ = 1054273536.

The previous prime is 3997455997. The next prime is 3997456009. The reversal of 3997456008 is 8006547993.

It is not an unprimeable number, because it can be changed into a prime (3997456009) 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, 912985 + ... + 917352.

It is an arithmetic number, because the mean of its divisors is an integer number (192185490).

Almost surely, 2^3997456008 is an apocalyptic number.

It is an amenable number.

3997456008 is an abundant number, since it is smaller than the sum of its proper divisors (8302415352).

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

3997456008 is a wasteful number, since it uses less digits than its factorization.

3997456008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830366 (or 1830362 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 3997456008 is about 63225.4379818756. The cubic root of 3997456008 is about 1587.0644526345.

The spelling of 3997456008 in words is "three billion, nine hundred ninety-seven million, four hundred fifty-six thousand, eight".