998957232 has 160 divisors (see below), whose sum is σ = 3529218560. Its totient is φ = 263450880.

The previous prime is 998957227. The next prime is 998957269. The reversal of 998957232 is 232759899.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26607 + ... + 52017.

It is an arithmetic number, because the mean of its divisors is an integer number (22057616).

Almost surely, 2^998957232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998957232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764609280).

998957232 is an abundant number, since it is smaller than the sum of its proper divisors (2530261328).

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

998957232 is a wasteful number, since it uses less digits than its factorization.

998957232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25448 (or 25436 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 998957232 is about 31606.2846914977. The cubic root of 998957232 is about 999.6522897783.

The spelling of 998957232 in words is "nine hundred ninety-eight million, nine hundred fifty-seven thousand, two hundred thirty-two".