998256 has 40 divisors (see below), whose sum is σ = 2948224. Its totient is φ = 285120.

The previous prime is 998243. The next prime is 998273. The reversal of 998256 is 652899.

It is a happy number.

It is a congruent number.

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, 1150 + ... + 1821.

2⁹⁹⁸²⁵⁶ is an apocalyptic number.

It is an amenable number.

998256 is an abundant number, since it is smaller than the sum of its proper divisors (1949968).

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

998256 is a wasteful number, since it uses less digits than its factorization.

998256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2983 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 998256 is about 999.1276194761. The cubic root of 998256 is about 99.9418328390.

The spelling of 998256 in words is "nine hundred ninety-eight thousand, two hundred fifty-six".