99590845 has 24 divisors (see below), whose sum is σ = 130126248. Its totient is φ = 73157120.

The previous prime is 99590839. The next prime is 99590849. The reversal of 99590845 is 54809599.

It can be written as a sum of positive squares in 12 ways, for example, as 96943716 + 2647129 = 9846^2 + 1627^2 .

It is a de Polignac number, because none of the positive numbers 2^k-99590845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99590849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2429025 + ... + 2429065.

It is an arithmetic number, because the mean of its divisors is an integer number (5421927).

Almost surely, 2^99590845 is an apocalyptic number.

It is an amenable number.

99590845 is a deficient number, since it is larger than the sum of its proper divisors (30535403).

99590845 is an frugal number, since it uses more digits than its factorization.

99590845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 99590845 is about 9979.5212811036. The cubic root of 99590845 is about 463.5249749245.

The spelling of 99590845 in words is "ninety-nine million, five hundred ninety thousand, eight hundred forty-five".