38979858 has 8 divisors (see below), whose sum is σ = 77959728. Its totient is φ = 12993284.

The previous prime is 38979847. The next prime is 38979859. The reversal of 38979858 is 85897983.

It is a sphenic number, since it is the product of 3 distinct primes.

38979858 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 38979798 and 38979807.

It is not an unprimeable number, because it can be changed into a prime (38979859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248316 + ... + 3248327.

It is an arithmetic number, because the mean of its divisors is an integer number (9744966).

Almost surely, 2^38979858 is an apocalyptic number.

38979858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38979858 is a wasteful number, since it uses less digits than its factorization.

38979858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496648.

The product of its digits is 4354560, while the sum is 57.

The square root of 38979858 is about 6243.3851394896. The cubic root of 38979858 is about 339.0627532387.

The spelling of 38979858 in words is "thirty-eight million, nine hundred seventy-nine thousand, eight hundred fifty-eight".