818808 has 32 divisors (see below), whose sum is σ = 2072400. Its totient is φ = 269568.

The previous prime is 818723. The next prime is 818813. The reversal of 818808 is 808818.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

818808 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, 2460 + ... + 2772.

2⁸¹⁸⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

818808 is an abundant number, since it is smaller than the sum of its proper divisors (1253592).

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

818808 is a wasteful number, since it uses less digits than its factorization.

818808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 818808 is about 904.8801025550. The cubic root of 818808 is about 93.5536405677.

The spelling of 818808 in words is "eight hundred eighteen thousand, eight hundred eight".