39172494 has 8 divisors (see below), whose sum is σ = 78345000. Its totient is φ = 13057496.

The previous prime is 39172493. The next prime is 39172513. The reversal of 39172494 is 49427193.

It is a sphenic number, since it is the product of 3 distinct primes.

39172494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39172493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264369 + ... + 3264380.

It is an arithmetic number, because the mean of its divisors is an integer number (9793125).

Almost surely, 2^39172494 is an apocalyptic number.

39172494 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.

39172494 is a wasteful number, since it uses less digits than its factorization.

39172494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528754.

The product of its digits is 54432, while the sum is 39.

The square root of 39172494 is about 6258.7933341819. The cubic root of 39172494 is about 339.6203779110.

The spelling of 39172494 in words is "thirty-nine million, one hundred seventy-two thousand, four hundred ninety-four".