38878912 has 28 divisors (see below), whose sum is σ = 77354176. Its totient is φ = 19388160.

The previous prime is 38878907. The next prime is 38878919. The reversal of 38878912 is 21987883.

It is not an unprimeable number, because it can be changed into a prime (38878919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38737 + ... + 39727.

Almost surely, 2^38878912 is an apocalyptic number.

38878912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38878912 is a deficient number, since it is larger than the sum of its proper divisors (38475264).

38878912 is an equidigital number, since it uses as much as digits as its factorization.

38878912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1606 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 38878912 is about 6235.2956625969. The cubic root of 38878912 is about 338.7698103455.

The spelling of 38878912 in words is "thirty-eight million, eight hundred seventy-eight thousand, nine hundred twelve".