3925868830 has 32 divisors (see below), whose sum is σ = 7855642368. Its totient is φ = 1402790400.

The previous prime is 3925868813. The next prime is 3925868833. The reversal of 3925868830 is 388685293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925868833) 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, 483051 + ... + 491110.

It is an arithmetic number, because the mean of its divisors is an integer number (245488824).

Almost surely, 2^3925868830 is an apocalyptic number.

3925868830 is an abundant number, since it is smaller than the sum of its proper divisors (3929773538).

3925868830 is a wasteful number, since it uses less digits than its factorization.

3925868830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974212.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 3925868830 is about 62656.7540653041. The cubic root of 3925868830 is about 1577.5335161316.

The spelling of 3925868830 in words is "three billion, nine hundred twenty-five million, eight hundred sixty-eight thousand, eight hundred thirty".