38320564 has 6 divisors (see below), whose sum is σ = 67060994. Its totient is φ = 19160280.

The previous prime is 38320531. The next prime is 38320577. The reversal of 38320564 is 46502383.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 128164 = 6180^2 + 358^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4790067 + ... + 4790074.

Almost surely, 2^38320564 is an apocalyptic number.

It is an amenable number.

38320564 is a deficient number, since it is larger than the sum of its proper divisors (28740430).

38320564 is a wasteful number, since it uses less digits than its factorization.

38320564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580145 (or 9580143 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 38320564 is about 6190.3605710815. The cubic root of 38320564 is about 337.1402703937.

The spelling of 38320564 in words is "thirty-eight million, three hundred twenty thousand, five hundred sixty-four".