38312172 has 36 divisors (see below), whose sum is σ = 97453720. Its totient is φ = 12690432.

The previous prime is 38312167. The next prime is 38312179. The reversal of 38312172 is 27121383.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (38312179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2604 + ... + 9132.

Almost surely, 2^38312172 is an apocalyptic number.

It is an amenable number.

38312172 is an abundant number, since it is smaller than the sum of its proper divisors (59141548).

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

38312172 is a wasteful number, since it uses less digits than its factorization.

38312172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702 (or 6697 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 38312172 is about 6189.6827059228. The cubic root of 38312172 is about 337.1156579540.

The spelling of 38312172 in words is "thirty-eight million, three hundred twelve thousand, one hundred seventy-two".