99139794 has 24 divisors (see below), whose sum is σ = 214707312. Its totient is φ = 30504240.

The previous prime is 99139793. The next prime is 99139813. The reversal of 99139794 is 49793199.

It is not an unprimeable number, because it can be changed into a prime (99139793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47872 + ... + 49899.

It is an arithmetic number, because the mean of its divisors is an integer number (8946138).

Almost surely, 2^99139794 is an apocalyptic number.

99139794 is an abundant number, since it is smaller than the sum of its proper divisors (115567518).

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

99139794 is a wasteful number, since it uses less digits than its factorization.

99139794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97802 (or 97789 counting only the distinct ones).

The product of its digits is 551124, while the sum is 51.

The square root of 99139794 is about 9956.8968057322. The cubic root of 99139794 is about 462.8241413153.

The spelling of 99139794 in words is "ninety-nine million, one hundred thirty-nine thousand, seven hundred ninety-four".