3975690408 has 64 divisors (see below), whose sum is σ = 10072957440. Its totient is φ = 1307496384.

The previous prime is 3975690401. The next prime is 3975690463. The reversal of 3975690408 is 8040965793.

3975690408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3975690408² = 31612228440526412928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3975690401) 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, 696735 + ... + 702417.

It is an arithmetic number, because the mean of its divisors is an integer number (157389960).

Almost surely, 2^3975690408 is an apocalyptic number.

It is an amenable number.

3975690408 is an abundant number, since it is smaller than the sum of its proper divisors (6097267032).

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

3975690408 is a wasteful number, since it uses less digits than its factorization.

3975690408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078 (or 6074 counting only the distinct ones).

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

The square root of 3975690408 is about 63053.0761184575. The cubic root of 3975690408 is about 1584.1787594145.

The spelling of 3975690408 in words is "three billion, nine hundred seventy-five million, six hundred ninety thousand, four hundred eight".