818955 has 12 divisors (see below), whose sum is σ = 1419600. Its totient is φ = 436752.

The previous prime is 818947. The next prime is 818959. The reversal of 818955 is 559818.

It is not a de Polignac number, because 818955 - 2³ = 818947 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (818959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9055 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (118300).

2⁸¹⁸⁹⁵⁵ is an apocalyptic number.

818955 is a deficient number, since it is larger than the sum of its proper divisors (600645).

818955 is a wasteful number, since it uses less digits than its factorization.

818955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210 (or 18207 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 818955 is about 904.9613251405. The cubic root of 818955 is about 93.5592387716.

The spelling of 818955 in words is "eight hundred eighteen thousand, nine hundred fifty-five".