99898560 has 84 divisors (see below), whose sum is σ = 343619328. Its totient is φ = 26638848.

The previous prime is 99898543. The next prime is 99898573. The reversal of 99898560 is 6589899.

It is a junction number, because it is equal to n+sod(n) for n = 99898497 and 99898506.

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, 14464 + ... + 20223.

Almost surely, 2^99898560 is an apocalyptic number.

99898560 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99898560 is an abundant number, since it is smaller than the sum of its proper divisors (243720768).

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

99898560 is a wasteful number, since it uses less digits than its factorization.

99898560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34710 (or 34697 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 99898560 is about 9994.9267130880. The cubic root of 99898560 is about 464.0018826717.

The spelling of 99898560 in words is "ninety-nine million, eight hundred ninety-eight thousand, five hundred sixty".