998502 has 8 divisors (see below), whose sum is σ = 1997016. Its totient is φ = 332832.

The previous prime is 998497. The next prime is 998513. The reversal of 998502 is 205899.

It is a sphenic number, since it is the product of 3 distinct primes.

998502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83203 + ... + 83214.

It is an arithmetic number, because the mean of its divisors is an integer number (249627).

2⁹⁹⁸⁵⁰² is an apocalyptic number.

998502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

998502 is a wasteful number, since it uses less digits than its factorization.

998502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166422.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 998502 is about 999.2507192892. The cubic root of 998502 is about 99.9500417125.

The spelling of 998502 in words is "nine hundred ninety-eight thousand, five hundred two".