998824118 has 8 divisors (see below), whose sum is σ = 1499974848. Its totient is φ = 498832504.

The previous prime is 998824093. The next prime is 998824147. The reversal of 998824118 is 811428899.

It is a happy number.

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

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, 287621 + ... + 291072.

It is an arithmetic number, because the mean of its divisors is an integer number (187496856).

Almost surely, 2^998824118 is an apocalyptic number.

998824118 is a deficient number, since it is larger than the sum of its proper divisors (501150730).

998824118 is a wasteful number, since it uses less digits than its factorization.

998824118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579558.

The product of its digits is 331776, while the sum is 50.

The square root of 998824118 is about 31604.1788059744. The cubic root of 998824118 is about 999.6078855997.

The spelling of 998824118 in words is "nine hundred ninety-eight million, eight hundred twenty-four thousand, one hundred eighteen".