818264 has 16 divisors (see below), whose sum is σ = 1587600. Its totient is φ = 394912.

The previous prime is 818249. The next prime is 818281. The reversal of 818264 is 462818.

818264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

818264 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 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (99225).

2⁸¹⁸²⁶⁴ is an apocalyptic number.

It is an amenable number.

818264 is a deficient number, since it is larger than the sum of its proper divisors (769336).

818264 is a wasteful number, since it uses less digits than its factorization.

818264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3558 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 818264 is about 904.5794603019. The cubic root of 818264 is about 93.5329175755.

The spelling of 818264 in words is "eight hundred eighteen thousand, two hundred sixty-four".