8479660 has 48 divisors (see below), whose sum is σ = 20913984. Its totient is φ = 2827008.

The previous prime is 8479649. The next prime is 8479699. The reversal of 8479660 is 669748.

It is an Ulam number.

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, 4362 + ... + 5998.

It is an arithmetic number, because the mean of its divisors is an integer number (435708).

Almost surely, 2^8479660 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 8479660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10456992).

8479660 is an abundant number, since it is smaller than the sum of its proper divisors (12434324).

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

8479660 is a wasteful number, since it uses less digits than its factorization.

8479660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 8479660 is about 2911.9855768874. The cubic root of 8479660 is about 203.9198390678.

The spelling of 8479660 in words is "eight million, four hundred seventy-nine thousand, six hundred sixty".