39386928 has 40 divisors (see below), whose sum is σ = 116286208. Its totient is φ = 11253312.

The previous prime is 39386923. The next prime is 39386953. The reversal of 39386928 is 82968393.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (39386923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58276 + ... + 58947.

Almost surely, 2^39386928 is an apocalyptic number.

It is an amenable number.

39386928 is an abundant number, since it is smaller than the sum of its proper divisors (76899280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39386928 is a wasteful number, since it uses less digits than its factorization.

39386928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117241 (or 117235 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 39386928 is about 6275.9005728262. The cubic root of 39386928 is about 340.2389554344.

The spelling of 39386928 in words is "thirty-nine million, three hundred eighty-six thousand, nine hundred twenty-eight".