38715312 has 40 divisors (see below), whose sum is σ = 105280960. Its totient is φ = 12225600.

The previous prime is 38715301. The next prime is 38715317. The reversal of 38715312 is 21351783.

It is a self number, because there is not a number n which added to its sum of digits gives 38715312.

It is not an unprimeable number, because it can be changed into a prime (38715317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20314 + ... + 22137.

It is an arithmetic number, because the mean of its divisors is an integer number (2632024).

Almost surely, 2^38715312 is an apocalyptic number.

It is an amenable number.

38715312 is an abundant number, since it is smaller than the sum of its proper divisors (66565648).

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

38715312 is a wasteful number, since it uses less digits than its factorization.

38715312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42481 (or 42475 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 38715312 is about 6222.1629679718. The cubic root of 38715312 is about 338.2939683116.

The spelling of 38715312 in words is "thirty-eight million, seven hundred fifteen thousand, three hundred twelve".