38940872 has 32 divisors (see below), whose sum is σ = 75411000. Its totient is φ = 18837504.

The previous prime is 38940859. The next prime is 38940877. The reversal of 38940872 is 27804983.

It can be written as a sum of positive squares in 4 ways, for example, as 37871716 + 1069156 = 6154^2 + 1034^2 .

It is not an unprimeable number, because it can be changed into a prime (38940877) 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, 86504 + ... + 86952.

Almost surely, 2^38940872 is an apocalyptic number.

It is an amenable number.

38940872 is a deficient number, since it is larger than the sum of its proper divisors (36470128).

38940872 is a wasteful number, since it uses less digits than its factorization.

38940872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38940872 is about 6240.2621739796. The cubic root of 38940872 is about 338.9496768060.

The spelling of 38940872 in words is "thirty-eight million, nine hundred forty thousand, eight hundred seventy-two".