38879379 has 32 divisors (see below), whose sum is σ = 71815680. Its totient is φ = 20196000.

The previous prime is 38879371. The next prime is 38879417. The reversal of 38879379 is 97397883.

It is not a de Polignac number, because 38879379 - 2³ = 38879371 is a prime.

It is a super-2 number, since 2×38879379² = 3023212222851282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38879371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7272 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (2244240).

Almost surely, 2^38879379 is an apocalyptic number.

38879379 is a deficient number, since it is larger than the sum of its proper divisors (32936301).

38879379 is a wasteful number, since it uses less digits than its factorization.

38879379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728 (or 18722 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 38879379 is about 6235.3331105884. Note that the first 3 decimals coincide. The cubic root of 38879379 is about 338.7711667352.

The spelling of 38879379 in words is "thirty-eight million, eight hundred seventy-nine thousand, three hundred seventy-nine".