998530608 has 30 divisors (see below), whose sum is σ = 2580103092. Its totient is φ = 332770560.

The previous prime is 998530597. The next prime is 998530613. The reversal of 998530608 is 806035899.

It is a super-2 number, since 2×998530608² = 1994126750225699328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216648 + ... + 221208.

Almost surely, 2^998530608 is an apocalyptic number.

It is an amenable number.

998530608 is an abundant number, since it is smaller than the sum of its proper divisors (1581572484).

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

998530608 is an frugal number, since it uses more digits than its factorization.

998530608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133 (or 4566 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 998530608 is about 31599.5349332866. The cubic root of 998530608 is about 999.5099625692.

Multiplying 998530608 by its sum of digits (48), we get a square (47929469184 = 218928²).

998530608 divided by its sum of digits (48) gives a square (20802721 = 4561²).

The spelling of 998530608 in words is "nine hundred ninety-eight million, five hundred thirty thousand, six hundred eight".