99442599 has 16 divisors (see below), whose sum is σ = 140812800. Its totient is φ = 62246016.

The previous prime is 99442591. The next prime is 99442601. The reversal of 99442599 is 99524499.

It is not a de Polignac number, because 99442599 - 2³ = 99442591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99442591) 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 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (8800800).

Almost surely, 2^99442599 is an apocalyptic number.

99442599 is a deficient number, since it is larger than the sum of its proper divisors (41370201).

99442599 is a wasteful number, since it uses less digits than its factorization.

99442599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15574.

The product of its digits is 1049760, while the sum is 51.

The square root of 99442599 is about 9972.0910043982. The cubic root of 99442599 is about 463.2948672700.

The spelling of 99442599 in words is "ninety-nine million, four hundred forty-two thousand, five hundred ninety-nine".