99499499 has 4 divisors (see below), whose sum is σ = 108544920. Its totient is φ = 90454080.

The previous prime is 99499483. The next prime is 99499507.

99499499 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99499499 - 2⁴ = 99499483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99499459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522694 + ... + 4522715.

It is an arithmetic number, because the mean of its divisors is an integer number (27136230).

Almost surely, 2^99499499 is an apocalyptic number.

99499499 is a deficient number, since it is larger than the sum of its proper divisors (9045421).

99499499 is a wasteful number, since it uses less digits than its factorization.

99499499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045420.

The product of its digits is 8503056, while the sum is 62.

The square root of 99499499 is about 9974.9435587376. The cubic root of 99499499 is about 463.3832145574.

The spelling of 99499499 in words is "ninety-nine million, four hundred ninety-nine thousand, four hundred ninety-nine".