901000002 has 32 divisors (see below), whose sum is σ = 2064384000. Its totient is φ = 256809168.

The previous prime is 900999997. The next prime is 901000013. The reversal of 901000002 is 200000109.

It is a happy 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, 8002 + ... + 43197.

It is an arithmetic number, because the mean of its divisors is an integer number (64512000).

Almost surely, 2^901000002 is an apocalyptic number.

901000002 is an abundant number, since it is smaller than the sum of its proper divisors (1163383998).

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

901000002 is a wasteful number, since it uses less digits than its factorization.

901000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51630.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 901000002 is about 30016.6620729221. The cubic root of 901000002 is about 965.8468416227.

The spelling of 901000002 in words is "nine hundred one million, two", and thus it is an aban number.