39172 has 12 divisors (see below), whose sum is σ = 78400. Its totient is φ = 16776.

The previous prime is 39163. The next prime is 39181. The reversal of 39172 is 27193.

It is an interprime number because it is at equal distance from previous prime (39163) and next prime (39181).

39172 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672 + ... + 727.

2³⁹¹⁷² is an apocalyptic number.

It is an amenable number.

39172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39200).

39172 is a wasteful number, since it uses less digits than its factorization.

39172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1408 counting only the distinct ones).

The product of its digits is 378, while the sum is 22.

The square root of 39172 is about 197.9191754227. The cubic root of 39172 is about 33.9618950267.

The spelling of 39172 in words is "thirty-nine thousand, one hundred seventy-two".