38883728 has 40 divisors (see below), whose sum is σ = 85411200. Its totient is φ = 17000064.

The previous prime is 38883697. The next prime is 38883749. The reversal of 38883728 is 82738883.

It is a super-3 number, since 3×38883728³ (a number of 24 digits) contains 333 as substring.

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, 968 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (2135280).

Almost surely, 2^38883728 is an apocalyptic number.

38883728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38883728 is an abundant number, since it is smaller than the sum of its proper divisors (46527472).

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

38883728 is a wasteful number, since it uses less digits than its factorization.

38883728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879 (or 9873 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 38883728 is about 6235.6818392218. The cubic root of 38883728 is about 338.7837977743.

The spelling of 38883728 in words is "thirty-eight million, eight hundred eighty-three thousand, seven hundred twenty-eight".