38572979 has 4 divisors (see below), whose sum is σ = 38746176. Its totient is φ = 38399784.

The previous prime is 38572973. The next prime is 38572999. The reversal of 38572979 is 97927583.

It is a happy number.

38572979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38572979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38572973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86264 + ... + 86709.

It is an arithmetic number, because the mean of its divisors is an integer number (9686544).

Almost surely, 2^38572979 is an apocalyptic number.

38572979 is a deficient number, since it is larger than the sum of its proper divisors (173197).

38572979 is a wasteful number, since it uses less digits than its factorization.

38572979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173196.

The product of its digits is 952560, while the sum is 50.

The square root of 38572979 is about 6210.7148541855. The cubic root of 38572979 is about 337.8788911718.

The spelling of 38572979 in words is "thirty-eight million, five hundred seventy-two thousand, nine hundred seventy-nine".