99591098 has 8 divisors (see below), whose sum is σ = 149968692. Its totient is φ = 49601536.

The previous prime is 99591077. The next prime is 99591143. The reversal of 99591098 is 89019599.

It can be written as a sum of positive squares in 2 ways, for example, as 94148209 + 5442889 = 9703^2 + 2333^2 .

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

It is a Curzon number.

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, 96365 + ... + 97392.

Almost surely, 2^99591098 is an apocalyptic number.

99591098 is a deficient number, since it is larger than the sum of its proper divisors (50377594).

99591098 is a wasteful number, since it uses less digits than its factorization.

99591098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194016.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 99591098 is about 9979.5339570543. The cubic root of 99591098 is about 463.5253674362.

The spelling of 99591098 in words is "ninety-nine million, five hundred ninety-one thousand, ninety-eight".