39425872 has 10 divisors (see below), whose sum is σ = 76387658. Its totient is φ = 19712928.

The previous prime is 39425857. The next prime is 39425879. The reversal of 39425872 is 27852493.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 4426816 = 5916^2 + 2104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39425879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232043 + ... + 1232074.

Almost surely, 2^39425872 is an apocalyptic number.

It is an amenable number.

39425872 is a deficient number, since it is larger than the sum of its proper divisors (36961786).

39425872 is a wasteful number, since it uses less digits than its factorization.

39425872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464125 (or 2464119 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 39425872 is about 6279.0024685455. The cubic root of 39425872 is about 340.3510560887.

The spelling of 39425872 in words is "thirty-nine million, four hundred twenty-five thousand, eight hundred seventy-two".