998479104 has 144 divisors (see below), whose sum is σ = 3076792320. Its totient is φ = 281548800.

The previous prime is 998479099. The next prime is 998479121. The reversal of 998479104 is 401974899.

It is a super-2 number, since 2×998479104² = 1993921042249285632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423529 + ... + 425879.

Almost surely, 2^998479104 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 998479104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538396160).

998479104 is an abundant number, since it is smaller than the sum of its proper divisors (2078313216).

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

998479104 is a wasteful number, since it uses less digits than its factorization.

998479104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 998479104 is about 31598.7199740749. The cubic root of 998479104 is about 999.4927774354.

The spelling of 998479104 in words is "nine hundred ninety-eight million, four hundred seventy-nine thousand, one hundred four".