38989444 has 72 divisors (see below), whose sum is σ = 81247488. Its totient is φ = 16251840.

The previous prime is 38989429. The next prime is 38989451. The reversal of 38989444 is 44498983.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581899 + ... + 581965.

Almost surely, 2^38989444 is an apocalyptic number.

It is an amenable number.

38989444 is an abundant number, since it is smaller than the sum of its proper divisors (42258044).

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

38989444 is a wasteful number, since it uses less digits than its factorization.

38989444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 132 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 38989444 is about 6244.1527848060. The cubic root of 38989444 is about 339.0905452773.

The spelling of 38989444 in words is "thirty-eight million, nine hundred eighty-nine thousand, four hundred forty-four".