99989583 has 8 divisors (see below), whose sum is σ = 133411200. Its totient is φ = 66613848.

The previous prime is 99989581. The next prime is 99989599. The reversal of 99989583 is 38598999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99989583 - 2¹ = 99989581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6013 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (16676400).

Almost surely, 2^99989583 is an apocalyptic number.

99989583 is a deficient number, since it is larger than the sum of its proper divisors (33421617).

99989583 is a wasteful number, since it uses less digits than its factorization.

99989583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941.

The product of its digits is 6298560, while the sum is 60.

The square root of 99989583 is about 9999.4791364351. The cubic root of 99989583 is about 464.1427656580.

The spelling of 99989583 in words is "ninety-nine million, nine hundred eighty-nine thousand, five hundred eighty-three".