98998564 has 12 divisors (see below), whose sum is σ = 197997184. Its totient is φ = 42427944.

The previous prime is 98998517. The next prime is 98998567. The reversal of 98998564 is 46589989.

98998564 = 1302² + 1303² + ... + 1357².

98998564 is an admirable number.

It is a super-3 number, since 3×98998564³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98998499 and 98998508.

It is not an unprimeable number, because it can be changed into a prime (98998567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767804 + ... + 1767859.

Almost surely, 2^98998564 is an apocalyptic number.

It is an amenable number.

98998564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

98998564 is a wasteful number, since it uses less digits than its factorization.

98998564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535674 (or 3535672 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 58.

The square root of 98998564 is about 9949.8022090894. The cubic root of 98998564 is about 462.6042641972.

The spelling of 98998564 in words is "ninety-eight million, nine hundred ninety-eight thousand, five hundred sixty-four".