38722512 has 20 divisors (see below), whose sum is σ = 100033280. Its totient is φ = 12907488.

The previous prime is 38722507. The next prime is 38722529. The reversal of 38722512 is 21522783.

It is a self number, because there is not a number n which added to its sum of digits gives 38722512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403312 + ... + 403407.

It is an arithmetic number, because the mean of its divisors is an integer number (5001664).

Almost surely, 2^38722512 is an apocalyptic number.

It is an amenable number.

38722512 is an abundant number, since it is smaller than the sum of its proper divisors (61310768).

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

38722512 is a wasteful number, since it uses less digits than its factorization.

38722512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806730 (or 806724 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 38722512 is about 6222.7415180128. The cubic root of 38722512 is about 338.3149381852.

The spelling of 38722512 in words is "thirty-eight million, seven hundred twenty-two thousand, five hundred twelve".