99916235 has 4 divisors (see below), whose sum is σ = 119899488. Its totient is φ = 79932984.

The previous prime is 99916217. The next prime is 99916237. The reversal of 99916235 is 53261999.

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 99916235 - 2¹² = 99912139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99916237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9991619 + ... + 9991628.

It is an arithmetic number, because the mean of its divisors is an integer number (29974872).

Almost surely, 2^99916235 is an apocalyptic number.

99916235 is a deficient number, since it is larger than the sum of its proper divisors (19983253).

99916235 is a wasteful number, since it uses less digits than its factorization.

99916235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983252.

The product of its digits is 131220, while the sum is 44.

The square root of 99916235 is about 9995.8108725606. The cubic root of 99916235 is about 464.0292462615.

The spelling of 99916235 in words is "ninety-nine million, nine hundred sixteen thousand, two hundred thirty-five".