38788660 has 24 divisors (see below), whose sum is σ = 84266280. Its totient is φ = 14980224.

The previous prime is 38788627. The next prime is 38788663. The reversal of 38788660 is 6688783.

It can be written as a sum of positive squares in 4 ways, for example, as 676 + 38787984 = 26^2 + 6228^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38788660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38788663) 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, 32859 + ... + 34018.

It is an arithmetic number, because the mean of its divisors is an integer number (3511095).

Almost surely, 2^38788660 is an apocalyptic number.

It is an amenable number.

38788660 is an abundant number, since it is smaller than the sum of its proper divisors (45477620).

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

38788660 is a wasteful number, since it uses less digits than its factorization.

38788660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66915 (or 66913 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 38788660 is about 6228.0542707976. The cubic root of 38788660 is about 338.5074715421.

The spelling of 38788660 in words is "thirty-eight million, seven hundred eighty-eight thousand, six hundred sixty".