38928456 has 48 divisors (see below), whose sum is σ = 120494400. Its totient is φ = 11122272.

The previous prime is 38928451. The next prime is 38928481. The reversal of 38928456 is 65482983.

It is not an unprimeable number, because it can be changed into a prime (38928451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38116 + ... + 39123.

It is an arithmetic number, because the mean of its divisors is an integer number (2510300).

Almost surely, 2^38928456 is an apocalyptic number.

38928456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38928456 is an abundant number, since it is smaller than the sum of its proper divisors (81565944).

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

38928456 is a wasteful number, since it uses less digits than its factorization.

38928456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77258 (or 77251 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 38928456 is about 6239.2672646714. The cubic root of 38928456 is about 338.9136491370.

The spelling of 38928456 in words is "thirty-eight million, nine hundred twenty-eight thousand, four hundred fifty-six".