99194217 has 24 divisors (see below), whose sum is σ = 137424000. Its totient is φ = 63630528.

The previous prime is 99194209. The next prime is 99194257. The reversal of 99194217 is 71249199.

It is not a de Polignac number, because 99194217 - 2³ = 99194209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99194257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665659 + ... + 665807.

It is an arithmetic number, because the mean of its divisors is an integer number (5726000).

Almost surely, 2^99194217 is an apocalyptic number.

It is an amenable number.

99194217 is a deficient number, since it is larger than the sum of its proper divisors (38229783).

99194217 is a wasteful number, since it uses less digits than its factorization.

99194217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 284 counting only the distinct ones).

The product of its digits is 40824, while the sum is 42.

The square root of 99194217 is about 9959.6293605736. The cubic root of 99194217 is about 462.9088152542.

The spelling of 99194217 in words is "ninety-nine million, one hundred ninety-four thousand, two hundred seventeen".