998454568 has 16 divisors (see below), whose sum is σ = 1872845280. Its totient is φ = 499029168.

The previous prime is 998454521. The next prime is 998454577. The reversal of 998454568 is 865454899.

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, 2130 + ... + 44737.

It is an arithmetic number, because the mean of its divisors is an integer number (117052830).

Almost surely, 2^998454568 is an apocalyptic number.

It is an amenable number.

998454568 is a deficient number, since it is larger than the sum of its proper divisors (874390712).

998454568 is a wasteful number, since it uses less digits than its factorization.

998454568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49536 (or 49532 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The square root of 998454568 is about 31598.3317281150. The cubic root of 998454568 is about 999.4845903986.

The spelling of 998454568 in words is "nine hundred ninety-eight million, four hundred fifty-four thousand, five hundred sixty-eight".