38678312 has 16 divisors (see below), whose sum is σ = 72705300. Its totient is φ = 19290240.

The previous prime is 38678291. The next prime is 38678317. The reversal of 38678312 is 21387683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38613796 + 64516 = 6214^2 + 254^2 .

It is not an unprimeable number, because it can be changed into a prime (38678317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639 + ... + 9182.

Almost surely, 2^38678312 is an apocalyptic number.

It is an amenable number.

38678312 is a deficient number, since it is larger than the sum of its proper divisors (34026988).

38678312 is a wasteful number, since it uses less digits than its factorization.

38678312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12236 (or 12232 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 38678312 is about 6219.1890146546. The cubic root of 38678312 is about 338.1861654318.

The spelling of 38678312 in words is "thirty-eight million, six hundred seventy-eight thousand, three hundred twelve".