38758660 has 12 divisors (see below), whose sum is σ = 81393228. Its totient is φ = 15503456.

The previous prime is 38758637. The next prime is 38758669. The reversal of 38758660 is 6685783.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 33339076 = 2328^2 + 5774^2 .

It is not an unprimeable number, because it can be changed into a prime (38758669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968947 + ... + 968986.

It is an arithmetic number, because the mean of its divisors is an integer number (6782769).

Almost surely, 2^38758660 is an apocalyptic number.

It is an amenable number.

38758660 is an abundant number, since it is smaller than the sum of its proper divisors (42634568).

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

38758660 is a wasteful number, since it uses less digits than its factorization.

38758660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937942 (or 1937940 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 38758660 is about 6225.6453480744. The cubic root of 38758660 is about 338.4201793338.

The spelling of 38758660 in words is "thirty-eight million, seven hundred fifty-eight thousand, six hundred sixty".