38989128 has 32 divisors (see below), whose sum is σ = 98136000. Its totient is φ = 12907968.

The previous prime is 38989123. The next prime is 38989141. The reversal of 38989128 is 82198983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38989123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (3066750).

Almost surely, 2^38989128 is an apocalyptic number.

It is an amenable number.

38989128 is an abundant number, since it is smaller than the sum of its proper divisors (59146872).

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

38989128 is a wasteful number, since it uses less digits than its factorization.

38989128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061 (or 11057 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 38989128 is about 6244.1274810817. The cubic root of 38989128 is about 339.0896291926.

The spelling of 38989128 in words is "thirty-eight million, nine hundred eighty-nine thousand, one hundred twenty-eight".