8479872 has 96 divisors (see below), whose sum is σ = 25896780. Its totient is φ = 2654208.

The previous prime is 8479853. The next prime is 8479883. The reversal of 8479872 is 2789748.

It can be written as a sum of positive squares in 2 ways, for example, as 8433216 + 46656 = 2904^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19368 + ... + 19800.

Almost surely, 2^8479872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8479872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12948390).

8479872 is an abundant number, since it is smaller than the sum of its proper divisors (17416908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8479872 is a wasteful number, since it uses less digits than its factorization.

8479872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 455 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 8479872 is about 2912.0219779390. The cubic root of 8479872 is about 203.9215384538.

The spelling of 8479872 in words is "eight million, four hundred seventy-nine thousand, eight hundred seventy-two".