38990732 has 24 divisors (see below), whose sum is σ = 77006160. Its totient is φ = 17111360.

The previous prime is 38990729. The next prime is 38990737. The reversal of 38990732 is 23709983.

38990732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38990732.

It is not an unprimeable number, because it can be changed into a prime (38990737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14003 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (3208590).

Almost surely, 2^38990732 is an apocalyptic number.

It is an amenable number.

38990732 is a deficient number, since it is larger than the sum of its proper divisors (38015428).

38990732 is a wasteful number, since it uses less digits than its factorization.

38990732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30601 (or 30599 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 38990732 is about 6244.2559204440. The cubic root of 38990732 is about 339.0942791410.

The spelling of 38990732 in words is "thirty-eight million, nine hundred ninety thousand, seven hundred thirty-two".