38898128 has 20 divisors (see below), whose sum is σ = 75620160. Its totient is φ = 19383264.

The previous prime is 38898121. The next prime is 38898143. The reversal of 38898128 is 82189883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38898121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (3781008).

Almost surely, 2^38898128 is an apocalyptic number.

It is an amenable number.

38898128 is a deficient number, since it is larger than the sum of its proper divisors (36722032).

38898128 is a wasteful number, since it uses less digits than its factorization.

38898128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8234 (or 8228 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The square root of 38898128 is about 6236.8363775235. The cubic root of 38898128 is about 338.8256137630.

The spelling of 38898128 in words is "thirty-eight million, eight hundred ninety-eight thousand, one hundred twenty-eight".