99839384 has 16 divisors (see below), whose sum is σ = 189130200. Its totient is φ = 49404672.

The previous prime is 99839359. The next prime is 99839401. The reversal of 99839384 is 48393899.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63554 + ... + 65105.

Almost surely, 2^99839384 is an apocalyptic number.

It is an amenable number.

99839384 is a deficient number, since it is larger than the sum of its proper divisors (89290816).

99839384 is a wasteful number, since it uses less digits than its factorization.

99839384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128762 (or 128758 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 99839384 is about 9991.9659727203. The cubic root of 99839384 is about 463.9102457191.

The spelling of 99839384 in words is "ninety-nine million, eight hundred thirty-nine thousand, three hundred eighty-four".