8670659 has 4 divisors (see below), whose sum is σ = 8679840. Its totient is φ = 8661480.

The previous prime is 8670653. The next prime is 8670667. The reversal of 8670659 is 9560768.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8670659 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8670653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (2169960).

Almost surely, 2^8670659 is an apocalyptic number.

8670659 is a deficient number, since it is larger than the sum of its proper divisors (9181).

8670659 is a wasteful number, since it uses less digits than its factorization.

8670659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 8670659 is about 2944.5982748076. The cubic root of 8670659 is about 205.4395407456.

The spelling of 8670659 in words is "eight million, six hundred seventy thousand, six hundred fifty-nine".