3891233925 has 60 divisors (see below), whose sum is σ = 7440543616. Its totient is φ = 2008346400.

The previous prime is 3891233893. The next prime is 3891233947. The reversal of 3891233925 is 5293321983.

It is not a de Polignac number, because 3891233925 - 2⁵ = 3891233893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 31782 + ... + 93768.

Almost surely, 2^3891233925 is an apocalyptic number.

It is an amenable number.

3891233925 is a deficient number, since it is larger than the sum of its proper divisors (3549309691).

3891233925 is a wasteful number, since it uses less digits than its factorization.

3891233925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62040 (or 62026 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 3891233925 is about 62379.7557305253. The cubic root of 3891233925 is about 1572.8806869558.

The spelling of 3891233925 in words is "three billion, eight hundred ninety-one million, two hundred thirty-three thousand, nine hundred twenty-five".