4399172 has 6 divisors (see below), whose sum is σ = 7698558. Its totient is φ = 2199584.

The previous prime is 4399169. The next prime is 4399193. The reversal of 4399172 is 2719934.

4399172 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 2876416 + 1522756 = 1696^2 + 1234^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549893 + ... + 549900.

It is an arithmetic number, because the mean of its divisors is an integer number (1283093).

Almost surely, 2^4399172 is an apocalyptic number.

It is an amenable number.

4399172 is a deficient number, since it is larger than the sum of its proper divisors (3299386).

4399172 is a wasteful number, since it uses less digits than its factorization.

4399172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099797 (or 1099795 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 4399172 is about 2097.4203202982. The cubic root of 4399172 is about 163.8539747175.

The spelling of 4399172 in words is "four million, three hundred ninety-nine thousand, one hundred seventy-two".