99367999 has 4 divisors (see below), whose sum is σ = 99468664. Its totient is φ = 99267336.

The previous prime is 99367993. The next prime is 99368023. The reversal of 99367999 is 99976399.

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 99367999 - 2³ = 99367991 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 (99367991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48837 + ... + 50830.

It is an arithmetic number, because the mean of its divisors is an integer number (24867166).

Almost surely, 2^99367999 is an apocalyptic number.

99367999 is a deficient number, since it is larger than the sum of its proper divisors (100665).

99367999 is an equidigital number, since it uses as much as digits as its factorization.

99367999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100664.

The product of its digits is 7440174, while the sum is 61.

The square root of 99367999 is about 9968.3498634428. The cubic root of 99367999 is about 463.1789865388.

Subtracting 99367999 from its reverse (99976399), we obtain a square (608400 = 780²).

The spelling of 99367999 in words is "ninety-nine million, three hundred sixty-seven thousand, nine hundred ninety-nine".