38878312 has 16 divisors (see below), whose sum is σ = 79524000. Its totient is φ = 17671920.

The previous prime is 38878283. The next prime is 38878319. The reversal of 38878312 is 21387883.

It is not an unprimeable number, because it can be changed into a prime (38878319) 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, 220812 + ... + 220987.

It is an arithmetic number, because the mean of its divisors is an integer number (4970250).

Almost surely, 2^38878312 is an apocalyptic number.

It is an amenable number.

38878312 is an abundant number, since it is smaller than the sum of its proper divisors (40645688).

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

38878312 is a wasteful number, since it uses less digits than its factorization.

38878312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441816 (or 441812 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 38878312 is about 6235.2475492157. The cubic root of 38878312 is about 338.7680676447.

The spelling of 38878312 in words is "thirty-eight million, eight hundred seventy-eight thousand, three hundred twelve".