3925238385 has 16 divisors (see below), whose sum is σ = 6281533440. Its totient is φ = 2093076480.

The previous prime is 3925238333. The next prime is 3925238389. The reversal of 3925238385 is 5838325293.

It is not a de Polignac number, because 3925238385 - 2⁷ = 3925238257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3925238389) 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, 73201 + ... + 114929.

It is an arithmetic number, because the mean of its divisors is an integer number (392595840).

Almost surely, 2^3925238385 is an apocalyptic number.

It is an amenable number.

3925238385 is a deficient number, since it is larger than the sum of its proper divisors (2356295055).

3925238385 is a wasteful number, since it uses less digits than its factorization.

3925238385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48008.

The product of its digits is 1555200, while the sum is 48.

The square root of 3925238385 is about 62651.7229212414. The cubic root of 3925238385 is about 1577.4490676182.

The spelling of 3925238385 in words is "three billion, nine hundred twenty-five million, two hundred thirty-eight thousand, three hundred eighty-five".