998634112 has 96 divisors (see below), whose sum is σ = 2341588500. Its totient is φ = 422940672.

The previous prime is 998634071. The next prime is 998634137. The reversal of 998634112 is 211436899.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 986965056 + 11669056 = 31416^2 + 3416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557314 + ... + 559102.

Almost surely, 2^998634112 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 998634112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170794250).

998634112 is an abundant number, since it is smaller than the sum of its proper divisors (1342954388).

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

998634112 is a wasteful number, since it uses less digits than its factorization.

998634112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1887 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 998634112 is about 31601.1726364703. The cubic root of 998634112 is about 999.5444965481.

The spelling of 998634112 in words is "nine hundred ninety-eight million, six hundred thirty-four thousand, one hundred twelve".