900243404 has 18 divisors (see below), whose sum is σ = 1631630364. Its totient is φ = 434598640.

The previous prime is 900243403. The next prime is 900243419. The reversal of 900243404 is 404342009.

It is not an unprimeable number, because it can be changed into a prime (900243403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130442 + ... + 137169.

Almost surely, 2^900243404 is an apocalyptic number.

It is an amenable number.

900243404 is a deficient number, since it is larger than the sum of its proper divisors (731386960).

900243404 is a wasteful number, since it uses less digits than its factorization.

900243404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267673 (or 267642 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 900243404 is about 30004.0564590857. The cubic root of 900243404 is about 965.5764152708.

The spelling of 900243404 in words is "nine hundred million, two hundred forty-three thousand, four hundred four".