99980598 has 8 divisors (see below), whose sum is σ = 199961208. Its totient is φ = 33326864.

The previous prime is 99980597. The next prime is 99980653. The reversal of 99980598 is 89508999.

It is a sphenic number, since it is the product of 3 distinct primes.

99980598 is an admirable number.

It is a super-2 number, since 2×99980598² = 19992239952875208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99980597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8331711 + ... + 8331722.

It is an arithmetic number, because the mean of its divisors is an integer number (24995151).

Almost surely, 2^99980598 is an apocalyptic number.

99980598 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.

99980598 is a wasteful number, since it uses less digits than its factorization.

99980598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16663438.

The product of its (nonzero) digits is 2099520, while the sum is 57.

The square root of 99980598 is about 9999.0298529407. The cubic root of 99980598 is about 464.1288627175.

The spelling of 99980598 in words is "ninety-nine million, nine hundred eighty thousand, five hundred ninety-eight".