99954218 has 48 divisors (see below), whose sum is σ = 190792224. Its totient is φ = 38918880.

The previous prime is 99954181. The next prime is 99954223. The reversal of 99954218 is 81245999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84773 + ... + 85943.

It is an arithmetic number, because the mean of its divisors is an integer number (3974838).

Almost surely, 2^99954218 is an apocalyptic number.

99954218 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99954218 is a deficient number, since it is larger than the sum of its proper divisors (90838006).

99954218 is a wasteful number, since it uses less digits than its factorization.

99954218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1260 counting only the distinct ones).

The product of its digits is 233280, while the sum is 47.

The square root of 99954218 is about 9997.7106379411. The cubic root of 99954218 is about 464.0880388088.

The spelling of 99954218 in words is "ninety-nine million, nine hundred fifty-four thousand, two hundred eighteen".