38560820 has 12 divisors (see below), whose sum is σ = 80977764. Its totient is φ = 15424320.

The previous prime is 38560817. The next prime is 38560829. The reversal of 38560820 is 2806583.

It can be written as a sum of positive squares in 2 ways, for example, as 25441936 + 13118884 = 5044^2 + 3622^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38560829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964001 + ... + 964040.

It is an arithmetic number, because the mean of its divisors is an integer number (6748147).

Almost surely, 2^38560820 is an apocalyptic number.

It is an amenable number.

38560820 is an abundant number, since it is smaller than the sum of its proper divisors (42416944).

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

38560820 is a wasteful number, since it uses less digits than its factorization.

38560820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928050 (or 1928048 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 38560820 is about 6209.7359042072. The cubic root of 38560820 is about 337.8433853048.

The spelling of 38560820 in words is "thirty-eight million, five hundred sixty thousand, eight hundred twenty".