38702928 has 80 divisors (see below), whose sum is σ = 113849856. Its totient is φ = 11214720.

The previous prime is 38702891. The next prime is 38702929. The reversal of 38702928 is 82920783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38702929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10551 + ... + 13737.

Almost surely, 2^38702928 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 38702928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56924928).

38702928 is an abundant number, since it is smaller than the sum of its proper divisors (75146928).

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

38702928 is a wasteful number, since it uses less digits than its factorization.

38702928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 38702928 is about 6221.1677360444. The cubic root of 38702928 is about 338.2578940466.

The spelling of 38702928 in words is "thirty-eight million, seven hundred two thousand, nine hundred twenty-eight".