38979772 has 24 divisors (see below), whose sum is σ = 75834752. Its totient is φ = 17409600.

The previous prime is 38979769. The next prime is 38979821. The reversal of 38979772 is 27797983.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10479 + ... + 13702.

Almost surely, 2^38979772 is an apocalyptic number.

It is an amenable number.

38979772 is a deficient number, since it is larger than the sum of its proper divisors (36854980).

38979772 is a wasteful number, since it uses less digits than its factorization.

38979772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229 (or 24227 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 52.

The square root of 38979772 is about 6243.3782521965. The cubic root of 38979772 is about 339.0625038841.

The spelling of 38979772 in words is "thirty-eight million, nine hundred seventy-nine thousand, seven hundred seventy-two".