38189328 has 40 divisors (see below), whose sum is σ = 101326848. Its totient is φ = 12385152.

The previous prime is 38189323. The next prime is 38189329. The reversal of 38189328 is 82398183.

It is a self number, because there is not a number n which added to its sum of digits gives 38189328.

It is not an unprimeable number, because it can be changed into a prime (38189321) 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, 8976 + ... + 12527.

Almost surely, 2^38189328 is an apocalyptic number.

It is an amenable number.

38189328 is an abundant number, since it is smaller than the sum of its proper divisors (63137520).

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

38189328 is a wasteful number, since it uses less digits than its factorization.

38189328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21551 (or 21545 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 38189328 is about 6179.7514513126. The cubic root of 38189328 is about 336.7549633888.

The spelling of 38189328 in words is "thirty-eight million, one hundred eighty-nine thousand, three hundred twenty-eight".