38878412 has 6 divisors (see below), whose sum is σ = 68037228. Its totient is φ = 19439204.

The previous prime is 38878403. The next prime is 38878417. The reversal of 38878412 is 21487883.

It is a self number, because there is not a number n which added to its sum of digits gives 38878412.

It is not an unprimeable number, because it can be changed into a prime (38878417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4859798 + ... + 4859805.

It is an arithmetic number, because the mean of its divisors is an integer number (11339538).

Almost surely, 2^38878412 is an apocalyptic number.

It is an amenable number.

38878412 is a deficient number, since it is larger than the sum of its proper divisors (29158816).

38878412 is a wasteful number, since it uses less digits than its factorization.

38878412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719607 (or 9719605 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 38878412 is about 6235.2555681383. The cubic root of 38878412 is about 338.7683580961.

The spelling of 38878412 in words is "thirty-eight million, eight hundred seventy-eight thousand, four hundred twelve".