4398561172 has 12 divisors (see below), whose sum is σ = 7698672436. Its totient is φ = 2198940480.

The previous prime is 4398561169. The next prime is 4398561187. The reversal of 4398561172 is 2711658934.

It can be written as a sum of positive squares in 2 ways, for example, as 2945884176 + 1452676996 = 54276^2 + 38114^2 .

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, 54729 + ... + 108592.

Almost surely, 2^4398561172 is an apocalyptic number.

It is an amenable number.

4398561172 is a deficient number, since it is larger than the sum of its proper divisors (3300111264).

4398561172 is a wasteful number, since it uses less digits than its factorization.

4398561172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170058 (or 170056 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 4398561172 is about 66321.6493461977. The cubic root of 4398561172 is about 1638.4639062154.

The spelling of 4398561172 in words is "four billion, three hundred ninety-eight million, five hundred sixty-one thousand, one hundred seventy-two".