818916 has 24 divisors (see below), whose sum is σ = 2184000. Its totient is φ = 233952.

The previous prime is 818897. The next prime is 818947. The reversal of 818916 is 619818.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 818916.

It is an unprimeable number.

818916 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 7 ways as a sum of consecutive naturals, for example, 4791 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (91000).

2⁸¹⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

818916 is an abundant number, since it is smaller than the sum of its proper divisors (1365084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818916 is a wasteful number, since it uses less digits than its factorization.

818916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9763 (or 9761 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 818916 is about 904.9397770018. The cubic root of 818916 is about 93.5577535991.

The spelling of 818916 in words is "eight hundred eighteen thousand, nine hundred sixteen".