8918169 has 16 divisors (see below), whose sum is σ = 13000512. Its totient is φ = 5404608.

The previous prime is 8918141. The next prime is 8918171. The reversal of 8918169 is 9618198.

8918169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8918169 - 2⁸ = 8917913 is a prime.

It is a super-2 number, since 2×8918169² = 159067476625122, which contains 22 as substring.

8918169 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8918169.

It is not an unprimeable number, because it can be changed into a prime (8918069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (812532).

Almost surely, 2^8918169 is an apocalyptic number.

It is an amenable number.

8918169 is a deficient number, since it is larger than the sum of its proper divisors (4082343).

8918169 is a wasteful number, since it uses less digits than its factorization.

8918169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its digits is 31104, while the sum is 42.

The square root of 8918169 is about 2986.3303568092. The cubic root of 8918169 is about 207.3760347275.

The spelling of 8918169 in words is "eight million, nine hundred eighteen thousand, one hundred sixty-nine".