38989732 has 18 divisors (see below), whose sum is σ = 69153602. Its totient is φ = 19233024.

The previous prime is 38989711. The next prime is 38989733. The reversal of 38989732 is 23798983.

It can be written as a sum of positive squares in 3 ways, for example, as 1240996 + 37748736 = 1114^2 + 6144^2 .

It is not an unprimeable number, because it can be changed into a prime (38989733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122838 + ... + 123154.

Almost surely, 2^38989732 is an apocalyptic number.

It is an amenable number.

38989732 is a deficient number, since it is larger than the sum of its proper divisors (30163870).

38989732 is an equidigital number, since it uses as much as digits as its factorization.

38989732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 416 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 38989732 is about 6244.1758463387. The cubic root of 38989732 is about 339.0913801856.

The spelling of 38989732 in words is "thirty-eight million, nine hundred eighty-nine thousand, seven hundred thirty-two".