998275208 has 32 divisors (see below), whose sum is σ = 2140959360. Its totient is φ = 427472640.

The previous prime is 998275199. The next prime is 998275211. The reversal of 998275208 is 802572899.

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, 66128 + ... + 79808.

It is an arithmetic number, because the mean of its divisors is an integer number (66904980).

Almost surely, 2^998275208 is an apocalyptic number.

998275208 is the 18242-nd octagonal number.

It is an amenable number.

998275208 is an abundant number, since it is smaller than the sum of its proper divisors (1142684152).

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

998275208 is a wasteful number, since it uses less digits than its factorization.

998275208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14997 (or 14993 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 998275208 is about 31595.4934761273. The cubic root of 998275208 is about 999.4247384710.

The spelling of 998275208 in words is "nine hundred ninety-eight million, two hundred seventy-five thousand, two hundred eight".