99018499 has 12 divisors (see below), whose sum is σ = 103161240. Its totient is φ = 95036480.

The previous prime is 99018449. The next prime is 99018509. The reversal of 99018499 is 99481099.

It is not a de Polignac number, because 99018499 - 2²⁵ = 65464067 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 (99018449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236112 + ... + 236530.

It is an arithmetic number, because the mean of its divisors is an integer number (8596770).

Almost surely, 2^99018499 is an apocalyptic number.

99018499 is a deficient number, since it is larger than the sum of its proper divisors (4142741).

99018499 is a wasteful number, since it uses less digits than its factorization.

99018499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 99018499 is about 9950.8039373711. The cubic root of 99018499 is about 462.6353131226.

The spelling of 99018499 in words is "ninety-nine million, eighteen thousand, four hundred ninety-nine".