99003489 has 16 divisors (see below), whose sum is σ = 142340352. Its totient is φ = 60847488.

The previous prime is 99003473. The next prime is 99003503. The reversal of 99003489 is 98430099.

It is not a de Polignac number, because 99003489 - 2⁴ = 99003473 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99003489.

It is not an unprimeable number, because it can be changed into a prime (99003449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50797 + ... + 52709.

It is an arithmetic number, because the mean of its divisors is an integer number (8896272).

Almost surely, 2^99003489 is an apocalyptic number.

It is an amenable number.

99003489 is a deficient number, since it is larger than the sum of its proper divisors (43336863).

99003489 is a wasteful number, since it uses less digits than its factorization.

99003489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 99003489 is about 9950.0496983683. The cubic root of 99003489 is about 462.6119353126.

The spelling of 99003489 in words is "ninety-nine million, three thousand, four hundred eighty-nine".