99839216 has 20 divisors (see below), whose sum is σ = 193717512. Its totient is φ = 49847616.

The previous prime is 99839213. The next prime is 99839261. The reversal of 99839216 is 61293899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99839213) 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, 7991 + ... + 16233.

Almost surely, 2^99839216 is an apocalyptic number.

It is an amenable number.

99839216 is a deficient number, since it is larger than the sum of its proper divisors (93878296).

99839216 is a wasteful number, since it uses less digits than its factorization.

99839216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008 (or 9002 counting only the distinct ones).

The product of its digits is 209952, while the sum is 47.

The square root of 99839216 is about 9991.9575659627. The cubic root of 99839216 is about 463.9099855113.

The spelling of 99839216 in words is "ninety-nine million, eight hundred thirty-nine thousand, two hundred sixteen".