900285980 has 72 divisors (see below), whose sum is σ = 2084918640. Its totient is φ = 326304000.

The previous prime is 900285979. The next prime is 900286019. The reversal of 900285980 is 89582009.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1454111 + ... + 1454729.

Almost surely, 2^900285980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900285980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042459320).

900285980 is an abundant number, since it is smaller than the sum of its proper divisors (1184632660).

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

900285980 is a wasteful number, since it uses less digits than its factorization.

900285980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 900285980 is about 30004.7659547613. The cubic root of 900285980 is about 965.5916369812.

The spelling of 900285980 in words is "nine hundred million, two hundred eighty-five thousand, nine hundred eighty".