998590896 has 40 divisors (see below), whose sum is σ = 2866326960. Its totient is φ = 332863488.

The previous prime is 998590883. The next prime is 998590903. The reversal of 998590896 is 698095899.

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, 1155345 + ... + 1156208.

It is an arithmetic number, because the mean of its divisors is an integer number (71658174).

Almost surely, 2^998590896 is an apocalyptic number.

It is an amenable number.

998590896 is an abundant number, since it is smaller than the sum of its proper divisors (1867736064).

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

998590896 is a wasteful number, since it uses less digits than its factorization.

998590896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311570 (or 2311558 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 63.

The square root of 998590896 is about 31600.4888569781. The cubic root of 998590896 is about 999.5300778745.

The spelling of 998590896 in words is "nine hundred ninety-eight million, five hundred ninety thousand, eight hundred ninety-six".