99918476 has 24 divisors (see below), whose sum is σ = 204713376. Its totient is φ = 41777280.

The previous prime is 99918457. The next prime is 99918479. The reversal of 99918476 is 67481999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99918479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42371 + ... + 44666.

It is an arithmetic number, because the mean of its divisors is an integer number (8529724).

Almost surely, 2^99918476 is an apocalyptic number.

It is an amenable number.

99918476 is an abundant number, since it is smaller than the sum of its proper divisors (104794900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99918476 is a wasteful number, since it uses less digits than its factorization.

99918476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87089 (or 87087 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 99918476 is about 9995.9229688909. The cubic root of 99918476 is about 464.0327154400.

The spelling of 99918476 in words is "ninety-nine million, nine hundred eighteen thousand, four hundred seventy-six".