38939692 has 24 divisors (see below), whose sum is σ = 76905360. Its totient is φ = 17088960.

The previous prime is 38939671. The next prime is 38939701. The reversal of 38939692 is 29693983.

It is a happy number.

It is a super-2 number, since 2×38939692² = 3032599226109728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13983 + ... + 16534.

It is an arithmetic number, because the mean of its divisors is an integer number (3204390).

Almost surely, 2^38939692 is an apocalyptic number.

It is an amenable number.

38939692 is a deficient number, since it is larger than the sum of its proper divisors (37965668).

38939692 is a wasteful number, since it uses less digits than its factorization.

38939692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30561 (or 30559 counting only the distinct ones).

The product of its digits is 629856, while the sum is 49.

The square root of 38939692 is about 6240.1676259536. The cubic root of 38939692 is about 338.9462531139.

The spelling of 38939692 in words is "thirty-eight million, nine hundred thirty-nine thousand, six hundred ninety-two".