39268864 has 20 divisors (see below), whose sum is σ = 78462054. Its totient is φ = 19634176.

The previous prime is 39268787. The next prime is 39268883. The reversal of 39268864 is 46886293.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 3268864 = 6000^2 + 1808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37837 + ... + 38860.

Almost surely, 2^39268864 is an apocalyptic number.

It is an amenable number.

39268864 is a deficient number, since it is larger than the sum of its proper divisors (39193190).

39268864 is an frugal number, since it uses more digits than its factorization.

39268864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76715 (or 76699 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 39268864 is about 6266.4873733217. The cubic root of 39268864 is about 339.8986549158.

The spelling of 39268864 in words is "thirty-nine million, two hundred sixty-eight thousand, eight hundred sixty-four".