8579918 has 4 divisors (see below), whose sum is σ = 12869880. Its totient is φ = 4289958.

The previous prime is 8579903. The next prime is 8579927. The reversal of 8579918 is 8199758.

It is a happy number.

8579918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8579918² = 147229985773448, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2144978 + ... + 2144981.

It is an arithmetic number, because the mean of its divisors is an integer number (3217470).

Almost surely, 2^8579918 is an apocalyptic number.

8579918 is a deficient number, since it is larger than the sum of its proper divisors (4289962).

8579918 is a wasteful number, since it uses less digits than its factorization.

8579918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289961.

The product of its digits is 181440, while the sum is 47.

The square root of 8579918 is about 2929.1497059727. The cubic root of 8579918 is about 204.7203643169.

The spelling of 8579918 in words is "eight million, five hundred seventy-nine thousand, nine hundred eighteen".