89964999 has 10 divisors (see below), whose sum is σ = 134392280. Its totient is φ = 59976612.

The previous prime is 89964997. The next prime is 89965013. The reversal of 89964999 is 99946998.

It is not a de Polignac number, because 89964999 - 2¹ = 89964997 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 (89964997) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 555259 + ... + 555420.

It is an arithmetic number, because the mean of its divisors is an integer number (13439228).

Almost surely, 2^89964999 is an apocalyptic number.

89964999 is a deficient number, since it is larger than the sum of its proper divisors (44427281).

89964999 is a wasteful number, since it uses less digits than its factorization.

89964999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110691 (or 1110682 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 89964999 is about 9484.9880864448. The cubic root of 89964999 is about 448.0823731796.

The spelling of 89964999 in words is "eighty-nine million, nine hundred sixty-four thousand, nine hundred ninety-nine".