990350584 has 32 divisors (see below), whose sum is σ = 1935596880. Its totient is φ = 474591744.

The previous prime is 990350573. The next prime is 990350681. The reversal of 990350584 is 485053099.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 990350584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137 + ... + 44800.

Almost surely, 2^990350584 is an apocalyptic number.

It is an amenable number.

990350584 is a deficient number, since it is larger than the sum of its proper divisors (945246296).

990350584 is a wasteful number, since it uses less digits than its factorization.

990350584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50047 (or 50043 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 990350584 is about 31469.8360974442. The cubic root of 990350584 is about 996.7731264875.

The spelling of 990350584 in words is "nine hundred ninety million, three hundred fifty thousand, five hundred eighty-four".