38868579 has 36 divisors (see below), whose sum is σ = 62289864. Its totient is φ = 24136704.

The previous prime is 38868563. The next prime is 38868581. The reversal of 38868579 is 97586883.

It is a happy number.

38868579 is a `hidden beast` number, since 3 + 8 + 8 + 68 + 579 = 666.

It is not a de Polignac number, because 38868579 - 2⁴ = 38868563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38868539) 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 35 ways as a sum of consecutive naturals, for example, 400659 + ... + 400755.

It is an arithmetic number, because the mean of its divisors is an integer number (1730274).

Almost surely, 2^38868579 is an apocalyptic number.

38868579 is a deficient number, since it is larger than the sum of its proper divisors (23421285).

38868579 is an frugal number, since it uses more digits than its factorization.

38868579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 117 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 38868579 is about 6234.4670181179. The cubic root of 38868579 is about 338.7397956286.

The spelling of 38868579 in words is "thirty-eight million, eight hundred sixty-eight thousand, five hundred seventy-nine".