3972810408 has 32 divisors (see below), whose sum is σ = 11350887360. Its totient is φ = 1135088640.

The previous prime is 3972810403. The next prime is 3972810433. The reversal of 3972810408 is 8040182793.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 3972810408.

It is not an unprimeable number, because it can be changed into a prime (3972810403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11823673 + ... + 11824008.

It is an arithmetic number, because the mean of its divisors is an integer number (354715230).

Almost surely, 2^3972810408 is an apocalyptic number.

It is an amenable number.

3972810408 is an abundant number, since it is smaller than the sum of its proper divisors (7378076952).

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

3972810408 is a wasteful number, since it uses less digits than its factorization.

3972810408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647697 (or 23647693 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 3972810408 is about 63030.2340785753. The cubic root of 3972810408 is about 1583.7961393341.

The spelling of 3972810408 in words is "three billion, nine hundred seventy-two million, eight hundred ten thousand, four hundred eight".