38579989 has 16 divisors (see below), whose sum is σ = 45190912. Its totient is φ = 32254848.

The previous prime is 38579941. The next prime is 38580001. The reversal of 38579989 is 98997583.

38579989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38579989 - 2²¹ = 36482837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38579929) 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 15 ways as a sum of consecutive naturals, for example, 52267 + ... + 52999.

It is an arithmetic number, because the mean of its divisors is an integer number (2824432).

Almost surely, 2^38579989 is an apocalyptic number.

It is an amenable number.

38579989 is a deficient number, since it is larger than the sum of its proper divisors (6610923).

38579989 is a wasteful number, since it uses less digits than its factorization.

38579989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its digits is 4898880, while the sum is 58.

The square root of 38579989 is about 6211.2791758220. The cubic root of 38579989 is about 337.8993578959.

The spelling of 38579989 in words is "thirty-eight million, five hundred seventy-nine thousand, nine hundred eighty-nine".