99593089 has 4 divisors (see below), whose sum is σ = 105451524. Its totient is φ = 93734656.

The previous prime is 99593033. The next prime is 99593099. The reversal of 99593089 is 98039599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50481025 + 49112064 = 7105^2 + 7008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99593089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99593099) 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, 2929192 + ... + 2929225.

It is an arithmetic number, because the mean of its divisors is an integer number (26362881).

Almost surely, 2^99593089 is an apocalyptic number.

It is an amenable number.

99593089 is a deficient number, since it is larger than the sum of its proper divisors (5858435).

99593089 is a wasteful number, since it uses less digits than its factorization.

99593089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858434.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 99593089 is about 9979.6337107130. The cubic root of 99593089 is about 463.5284563095.

The spelling of 99593089 in words is "ninety-nine million, five hundred ninety-three thousand, eighty-nine".