818896 has 40 divisors (see below), whose sum is σ = 1777664. Its totient is φ = 362880.

The previous prime is 818887. The next prime is 818897. The reversal of 818896 is 698818.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818897) by changing a digit.

818896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 6511.

2⁸¹⁸⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888832).

818896 is an abundant number, since it is smaller than the sum of its proper divisors (958768).

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

818896 is a wasteful number, since it uses less digits than its factorization.

818896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 173 counting only the distinct ones).

The product of its digits is 27648, while the sum is 40.

The square root of 818896 is about 904.9287264752. The cubic root of 818896 is about 93.5569919539.

The spelling of 818896 in words is "eight hundred eighteen thousand, eight hundred ninety-six".