99989584 has 20 divisors (see below), whose sum is σ = 196460640. Its totient is φ = 49290080.

The previous prime is 99989581. The next prime is 99989599. The reversal of 99989584 is 48598999.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42874 + ... + 45145.

It is an arithmetic number, because the mean of its divisors is an integer number (9823032).

Almost surely, 2^99989584 is an apocalyptic number.

It is an amenable number.

99989584 is a deficient number, since it is larger than the sum of its proper divisors (96471056).

99989584 is a wasteful number, since it uses less digits than its factorization.

99989584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88098 (or 88092 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 61.

The square root of 99989584 is about 9999.4791864377. The cubic root of 99989584 is about 464.1427672053.

The spelling of 99989584 in words is "ninety-nine million, nine hundred eighty-nine thousand, five hundred eighty-four".