890204 has 12 divisors (see below), whose sum is σ = 1780464. Its totient is φ = 381504.

The previous prime is 890177. The next prime is 890221. The reversal of 890204 is 402098.

890204 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 890204.

It is a congruent number.

It is an unprimeable number.

890204 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 3 ways as a sum of consecutive naturals, for example, 15869 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (148372).

2⁸⁹⁰²⁰⁴ is an apocalyptic number.

It is an amenable number.

890204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

890204 is a wasteful number, since it uses less digits than its factorization.

890204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31804 (or 31802 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 890204 is about 943.5062267945. The cubic root of 890204 is about 96.1973659489.

The spelling of 890204 in words is "eight hundred ninety thousand, two hundred four".