38159979 has 16 divisors (see below), whose sum is σ = 59775744. Its totient is φ = 21348000.

The previous prime is 38159959. The next prime is 38159981. The reversal of 38159979 is 97995183.

It is a happy number.

It is not a de Polignac number, because 38159979 - 2⁷ = 38159851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38159929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44047 + ... + 44904.

It is an arithmetic number, because the mean of its divisors is an integer number (3735984).

Almost surely, 2^38159979 is an apocalyptic number.

38159979 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

38159979 is a deficient number, since it is larger than the sum of its proper divisors (21615765).

38159979 is a wasteful number, since it uses less digits than its factorization.

38159979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88978.

The product of its digits is 612360, while the sum is 51.

The square root of 38159979 is about 6177.3763848417. The cubic root of 38159979 is about 336.6686744099.

The spelling of 38159979 in words is "thirty-eight million, one hundred fifty-nine thousand, nine hundred seventy-nine".