998831104 has 22 divisors (see below), whose sum is σ = 1996688834. Its totient is φ = 499415040.

The previous prime is 998831077. The next prime is 998831111. The reversal of 998831104 is 401138899.

It can be written as a sum of positive squares in only one way, i.e., 647193600 + 351637504 = 25440^2 + 18752^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486687 + ... + 488734.

Almost surely, 2^998831104 is an apocalyptic number.

It is an amenable number.

998831104 is a deficient number, since it is larger than the sum of its proper divisors (997857730).

998831104 is an equidigital number, since it uses as much as digits as its factorization.

998831104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975441 (or 975423 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 998831104 is about 31604.2893291401. The cubic root of 998831104 is about 999.6102160882.

The spelling of 998831104 in words is "nine hundred ninety-eight million, eight hundred thirty-one thousand, one hundred four".