38312272 has 20 divisors (see below), whose sum is σ = 74409300. Its totient is φ = 19109888.

The previous prime is 38312243. The next prime is 38312291. The reversal of 38312272 is 27221383.

It can be written as a sum of positive squares in 2 ways, for example, as 33454656 + 4857616 = 5784^2 + 2204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38312272.

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, 4518 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (3720465).

Almost surely, 2^38312272 is an apocalyptic number.

It is an amenable number.

38312272 is a deficient number, since it is larger than the sum of its proper divisors (36097028).

38312272 is a wasteful number, since it uses less digits than its factorization.

38312272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790 (or 5784 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 38312272 is about 6189.6907838760. The cubic root of 38312272 is about 337.1159512597.

The spelling of 38312272 in words is "thirty-eight million, three hundred twelve thousand, two hundred seventy-two".