818934 has 16 divisors (see below), whose sum is σ = 1678320. Its totient is φ = 266240.

The previous prime is 818897. The next prime is 818947. The reversal of 818934 is 439818.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 818895 and 818904.

It is a congruent number.

It is an unprimeable number.

818934 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, 1419 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (104895).

2⁸¹⁸⁹³⁴ is an apocalyptic number.

818934 is an abundant number, since it is smaller than the sum of its proper divisors (859386).

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

818934 is a wasteful number, since it uses less digits than its factorization.

818934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its digits is 6912, while the sum is 33.

The square root of 818934 is about 904.9497223603. The cubic root of 818934 is about 93.5584390692.

The spelling of 818934 in words is "eight hundred eighteen thousand, nine hundred thirty-four".