900066980 has 12 divisors (see below), whose sum is σ = 1890140700. Its totient is φ = 360026784.

The previous prime is 900066961. The next prime is 900066983. The reversal of 900066980 is 89660009.

It can be written as a sum of positive squares in 2 ways, for example, as 132112036 + 767954944 = 11494^2 + 27712^2 .

It is not an unprimeable number, because it can be changed into a prime (900066983) 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 3 ways as a sum of consecutive naturals, for example, 22501655 + ... + 22501694.

It is an arithmetic number, because the mean of its divisors is an integer number (157511725).

Almost surely, 2^900066980 is an apocalyptic number.

It is an amenable number.

900066980 is an abundant number, since it is smaller than the sum of its proper divisors (990073720).

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

900066980 is a wasteful number, since it uses less digits than its factorization.

900066980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45003358 (or 45003356 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 900066980 is about 30001.1163125641. The cubic root of 900066980 is about 965.5133353000.

The spelling of 900066980 in words is "nine hundred million, sixty-six thousand, nine hundred eighty".