89442599 has 4 divisors (see below), whose sum is σ = 89545464. Its totient is φ = 89339736.

The previous prime is 89442589. The next prime is 89442601. The reversal of 89442599 is 99524498.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89442599 - 2¹⁶ = 89377063 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 (89442589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50117 + ... + 51870.

It is an arithmetic number, because the mean of its divisors is an integer number (22386366).

Almost surely, 2^89442599 is an apocalyptic number.

89442599 is a deficient number, since it is larger than the sum of its proper divisors (102865).

89442599 is a wasteful number, since it uses less digits than its factorization.

89442599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102864.

The product of its digits is 933120, while the sum is 50.

The square root of 89442599 is about 9457.4097405156. The cubic root of 89442599 is about 447.2133953332.

The spelling of 89442599 in words is "eighty-nine million, four hundred forty-two thousand, five hundred ninety-nine".