818044 has 6 divisors (see below), whose sum is σ = 1431584. Its totient is φ = 409020.

The previous prime is 818021. The next prime is 818093. The reversal of 818044 is 440818.

818044 is nontrivially palindromic in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102252 + ... + 102259.

2⁸¹⁸⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

818044 is a deficient number, since it is larger than the sum of its proper divisors (613540).

818044 is a wasteful number, since it uses less digits than its factorization.

818044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204515 (or 204513 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 818044 is about 904.4578486585. The cubic root of 818044 is about 93.5245343454.

The spelling of 818044 in words is "eight hundred eighteen thousand, forty-four".