998692 has 12 divisors (see below), whose sum is σ = 1776796. Its totient is φ = 491040.

The previous prime is 998689. The next prime is 998717. The reversal of 998692 is 296899.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 817216 = 426^2 + 904^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803 + ... + 2290.

2⁹⁹⁸⁶⁹² is an apocalyptic number.

It is an amenable number.

998692 is a deficient number, since it is larger than the sum of its proper divisors (778104).

998692 is a wasteful number, since it uses less digits than its factorization.

998692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158 (or 4156 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 998692 is about 999.3457860020. The cubic root of 998692 is about 99.9563809766.

The spelling of 998692 in words is "nine hundred ninety-eight thousand, six hundred ninety-two".