99590399 has 4 divisors (see below), whose sum is σ = 99610464. Its totient is φ = 99570336.

The previous prime is 99590371. The next prime is 99590411. The reversal of 99590399 is 99309599.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99590399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99590399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99590329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479 + ... + 14535.

It is an arithmetic number, because the mean of its divisors is an integer number (24902616).

Almost surely, 2^99590399 is an apocalyptic number.

99590399 is a deficient number, since it is larger than the sum of its proper divisors (20065).

99590399 is a wasteful number, since it uses less digits than its factorization.

99590399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064.

The product of its (nonzero) digits is 885735, while the sum is 53.

The square root of 99590399 is about 9979.4989353173. The cubic root of 99590399 is about 463.5242829852.

The spelling of 99590399 in words is "ninety-nine million, five hundred ninety thousand, three hundred ninety-nine".