900404 has 12 divisors (see below), whose sum is σ = 1644384. Its totient is φ = 430584.

The previous prime is 900397. The next prime is 900409. The reversal of 900404 is 404009.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4802 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (137032).

2⁹⁰⁰⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

900404 is a deficient number, since it is larger than the sum of its proper divisors (743980).

900404 is a wasteful number, since it uses less digits than its factorization.

900404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9814 (or 9812 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 900404 is about 948.8962008566. The cubic root of 900404 is about 96.5633828814.

The spelling of 900404 in words is "nine hundred thousand, four hundred four".