900900305 has 16 divisors (see below), whose sum is σ = 1094520384. Its totient is φ = 711796800.

The previous prime is 900900289. The next prime is 900900337. The reversal of 900900305 is 503009009.

It is not a de Polignac number, because 900900305 - 2⁴ = 900900289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221702 + ... + 225728.

It is an arithmetic number, because the mean of its divisors is an integer number (68407524).

Almost surely, 2^900900305 is an apocalyptic number.

It is an amenable number.

900900305 is a deficient number, since it is larger than the sum of its proper divisors (193620079).

900900305 is a wasteful number, since it uses less digits than its factorization.

900900305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 900900305 is about 30015.0013326670. The cubic root of 900900305 is about 965.8112161753.

The spelling of 900900305 in words is "nine hundred million, nine hundred thousand, three hundred five".