38920564 has 6 divisors (see below), whose sum is σ = 68110994. Its totient is φ = 19460280.

The previous prime is 38920549. The next prime is 38920591. The reversal of 38920564 is 46502983.

It can be written as a sum of positive squares in only one way, i.e., 37307664 + 1612900 = 6108^2 + 1270^2 .

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, 4865067 + ... + 4865074.

Almost surely, 2^38920564 is an apocalyptic number.

It is an amenable number.

38920564 is a deficient number, since it is larger than the sum of its proper divisors (29190430).

38920564 is a wasteful number, since it uses less digits than its factorization.

38920564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730145 (or 9730143 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 38920564 is about 6238.6347865539. The cubic root of 38920564 is about 338.8907448354.

The spelling of 38920564 in words is "thirty-eight million, nine hundred twenty thousand, five hundred sixty-four".