900044 has 12 divisors (see below), whose sum is σ = 1629600. Its totient is φ = 434448.

The previous prime is 900037. The next prime is 900061. The reversal of 900044 is 440009.

It is a junction number, because it is equal to n+sod(n) for n = 899995 and 900031.

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 in 3 ways as a sum of consecutive naturals, for example, 3764 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (135800).

2⁹⁰⁰⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

900044 is a deficient number, since it is larger than the sum of its proper divisors (729556).

900044 is a wasteful number, since it uses less digits than its factorization.

900044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792 (or 7790 counting only the distinct ones).

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

The square root of 900044 is about 948.7064878033. The cubic root of 900044 is about 96.5505118250.

The spelling of 900044 in words is "nine hundred thousand, forty-four".