38979954 has 80 divisors (see below), whose sum is σ = 95622912. Its totient is φ = 11796192.

The previous prime is 38979947. The next prime is 38979977. The reversal of 38979954 is 45997983.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (2449440) is a multiple of the sum of its prime divisors (324).

It is a self number, because there is not a number n which added to its sum of digits gives 38979954.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 174687 + ... + 174909.

Almost surely, 2^38979954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38979954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47811456).

38979954 is an abundant number, since it is smaller than the sum of its proper divisors (56642958).

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

38979954 is a wasteful number, since it uses less digits than its factorization.

38979954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 324 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 38979954 is about 6243.3928276219. The cubic root of 38979954 is about 339.0630315876.

The spelling of 38979954 in words is "thirty-eight million, nine hundred seventy-nine thousand, nine hundred fifty-four".