38694172 has 12 divisors (see below), whose sum is σ = 73870776. Its totient is φ = 17588240.

The previous prime is 38694167. The next prime is 38694181. The reversal of 38694172 is 27149683.

38694172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439663 + ... + 439750.

It is an arithmetic number, because the mean of its divisors is an integer number (6155898).

Almost surely, 2^38694172 is an apocalyptic number.

It is an amenable number.

38694172 is a deficient number, since it is larger than the sum of its proper divisors (35176604).

38694172 is a wasteful number, since it uses less digits than its factorization.

38694172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879428 (or 879426 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 38694172 is about 6220.4639698338. The cubic root of 38694172 is about 338.2323834056.

The spelling of 38694172 in words is "thirty-eight million, six hundred ninety-four thousand, one hundred seventy-two".