39402152 has 16 divisors (see below), whose sum is σ = 73955700. Its totient is φ = 19680640.

The previous prime is 39402137. The next prime is 39402163. The reversal of 39402152 is 25120493.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 5924356 = 5786^2 + 2434^2 .

It is a super-2 number, since 2×39402152² = 3105059164462208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8402 + ... + 12222.

Almost surely, 2^39402152 is an apocalyptic number.

It is an amenable number.

39402152 is a deficient number, since it is larger than the sum of its proper divisors (34553548).

39402152 is a wasteful number, since it uses less digits than its factorization.

39402152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 39402152 is about 6277.1133493032. The cubic root of 39402152 is about 340.2827866486.

The spelling of 39402152 in words is "thirty-nine million, four hundred two thousand, one hundred fifty-two".