38979 has 12 divisors (see below), whose sum is σ = 58032. Its totient is φ = 25200.

The previous prime is 38977. The next prime is 38993. The reversal of 38979 is 97983.

It is not a de Polignac number, because 38979 - 2¹ = 38977 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (38971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514 + ... + 584.

It is an arithmetic number, because the mean of its divisors is an integer number (4836).

2³⁸⁹⁷⁹ is an apocalyptic number.

38979 is a deficient number, since it is larger than the sum of its proper divisors (19053).

38979 is a wasteful number, since it uses less digits than its factorization.

38979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 135 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 38979 is about 197.4310006053. The cubic root of 38979 is about 33.9060265475.

The spelling of 38979 in words is "thirty-eight thousand, nine hundred seventy-nine".