38858928 has 80 divisors (see below), whose sum is σ = 104624256. Its totient is φ = 12418560.

The previous prime is 38858909. The next prime is 38858947. The reversal of 38858928 is 82985883.

It is an interprime number because it is at equal distance from previous prime (38858909) and next prime (38858947).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138148 + ... + 138428.

Almost surely, 2^38858928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38858928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52312128).

38858928 is an abundant number, since it is smaller than the sum of its proper divisors (65765328).

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

38858928 is a wasteful number, since it uses less digits than its factorization.

38858928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 396 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 38858928 is about 6233.6929664526. The cubic root of 38858928 is about 338.7117571421.

The spelling of 38858928 in words is "thirty-eight million, eight hundred fifty-eight thousand, nine hundred twenty-eight".