4989172 has 12 divisors (see below), whose sum is σ = 9190720. Its totient is φ = 2363256.

The previous prime is 4989169. The next prime is 4989181. The reversal of 4989172 is 2719894.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32748 + ... + 32899.

Almost surely, 2^4989172 is an apocalyptic number.

It is an amenable number.

4989172 is a deficient number, since it is larger than the sum of its proper divisors (4201548).

4989172 is a wasteful number, since it uses less digits than its factorization.

4989172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65670 (or 65668 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 4989172 is about 2233.6454508270. The cubic root of 4989172 is about 170.8740679912.

The spelling of 4989172 in words is "four million, nine hundred eighty-nine thousand, one hundred seventy-two".