8918685 has 12 divisors (see below), whose sum is σ = 15459132. Its totient is φ = 4756608.

The previous prime is 8918677. The next prime is 8918713. The reversal of 8918685 is 5868198.

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 6827769 = 1446^2 + 2613^2 .

It is not a de Polignac number, because 8918685 - 2³ = 8918677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 198193 = 8918685 / (8 + 9 + 1 + 8 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 8918685.

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, 99052 + ... + 99141.

It is an arithmetic number, because the mean of its divisors is an integer number (1288261).

Almost surely, 2^8918685 is an apocalyptic number.

It is an amenable number.

8918685 is a deficient number, since it is larger than the sum of its proper divisors (6540447).

8918685 is a wasteful number, since it uses less digits than its factorization.

8918685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198204 (or 198201 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 8918685 is about 2986.4167492164. The cubic root of 8918685 is about 207.3800342020.

The spelling of 8918685 in words is "eight million, nine hundred eighteen thousand, six hundred eighty-five".