998933256 has 32 divisors (see below), whose sum is σ = 2774815200. Its totient is φ = 332977680.

The previous prime is 998933251. The next prime is 998933267. The reversal of 998933256 is 652339899.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (998933251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312130 + ... + 2312561.

It is an arithmetic number, because the mean of its divisors is an integer number (86712975).

Almost surely, 2^998933256 is an apocalyptic number.

It is an amenable number.

998933256 is an abundant number, since it is smaller than the sum of its proper divisors (1775881944).

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

998933256 is a wasteful number, since it uses less digits than its factorization.

998933256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624706 (or 4624696 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 998933256 is about 31605.9053975677. The cubic root of 998933256 is about 999.6442921536.

The spelling of 998933256 in words is "nine hundred ninety-eight million, nine hundred thirty-three thousand, two hundred fifty-six".