89328999 has 32 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 54075392.

The previous prime is 89328983. The next prime is 89329021. The reversal of 89328999 is 99982398.

It is a cyclic number.

It is not a de Polignac number, because 89328999 - 2⁴ = 89328983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89328919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198727 + ... + 199175.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^89328999 is an apocalyptic number.

89328999 is a deficient number, since it is larger than the sum of its proper divisors (41307801).

89328999 is a wasteful number, since it uses less digits than its factorization.

89328999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its digits is 2519424, while the sum is 57.

The square root of 89328999 is about 9451.4019594979. The cubic root of 89328999 is about 447.0239816170.

It can be divided in two parts, 893 and 28999, that added together give a palindrome (29892).

The spelling of 89328999 in words is "eighty-nine million, three hundred twenty-eight thousand, nine hundred ninety-nine".