99273915 has 48 divisors (see below), whose sum is σ = 189876960. Its totient is φ = 47669760.

The previous prime is 99273887. The next prime is 99273919. The reversal of 99273915 is 51937299.

It is a happy number.

It is not a de Polignac number, because 99273915 - 2⁵ = 99273883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99273919) 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 47 ways as a sum of consecutive naturals, for example, 21916 + ... + 26054.

It is an arithmetic number, because the mean of its divisors is an integer number (3955770).

Almost surely, 2^99273915 is an apocalyptic number.

99273915 is a deficient number, since it is larger than the sum of its proper divisors (90603045).

99273915 is a wasteful number, since it uses less digits than its factorization.

99273915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204 (or 4201 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 99273915 is about 9963.6296097356. The cubic root of 99273915 is about 463.0327573942.

The spelling of 99273915 in words is "ninety-nine million, two hundred seventy-three thousand, nine hundred fifteen".