918836 has 18 divisors (see below), whose sum is σ = 1682310. Its totient is φ = 438592.

The previous prime is 918829. The next prime is 918839. The reversal of 918836 is 638819.

It can be written as a sum of positive squares in 3 ways, for example, as 4900 + 913936 = 70^2 + 956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 918796 and 918805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918839) by changing a digit.

918836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10280 + ... + 10368.

2⁹¹⁸⁸³⁶ is an apocalyptic number.

It is an amenable number.

918836 is a deficient number, since it is larger than the sum of its proper divisors (763474).

918836 is a wasteful number, since it uses less digits than its factorization.

918836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 120 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 918836 is about 958.5593356699. The cubic root of 918836 is about 97.2178474343.

The spelling of 918836 in words is "nine hundred eighteen thousand, eight hundred thirty-six".