4644172 has 48 divisors (see below), whose sum is σ = 9382912. Its totient is φ = 1995840.

The previous prime is 4644161. The next prime is 4644209. The reversal of 4644172 is 2714464.

It is a self number, because there is not a number n which added to its sum of digits gives 4644172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69283 + ... + 69349.

Almost surely, 2^4644172 is an apocalyptic number.

It is an amenable number.

4644172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4644172 is a wasteful number, since it uses less digits than its factorization.

4644172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 156 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 4644172 is about 2155.0341064586. The cubic root of 4644172 is about 166.8409927101.

The spelling of 4644172 in words is "four million, six hundred forty-four thousand, one hundred seventy-two".