38021128 has 32 divisors (see below), whose sum is σ = 77472000. Its totient is φ = 17426880.

The previous prime is 38021083. The next prime is 38021131. The reversal of 38021128 is 82112083.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 8746.

It is an arithmetic number, because the mean of its divisors is an integer number (2421000).

Almost surely, 2^38021128 is an apocalyptic number.

38021128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38021128 is an abundant number, since it is smaller than the sum of its proper divisors (39450872).

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

38021128 is a wasteful number, since it uses less digits than its factorization.

38021128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 38021128 is about 6166.1274719227. The cubic root of 38021128 is about 336.2598377465.

The spelling of 38021128 in words is "thirty-eight million, twenty-one thousand, one hundred twenty-eight".