99533839 has 8 divisors (see below), whose sum is σ = 102925440. Its totient is φ = 96153600.

The previous prime is 99533813. The next prime is 99533843. The reversal of 99533839 is 93833599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99533839 - 2⁵ = 99533807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99533792 and 99533801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99533809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (12865680).

Almost surely, 2^99533839 is an apocalyptic number.

99533839 is a deficient number, since it is larger than the sum of its proper divisors (3391601).

99533839 is a wasteful number, since it uses less digits than its factorization.

99533839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681.

The product of its digits is 787320, while the sum is 49.

The square root of 99533839 is about 9976.6647232429. The cubic root of 99533839 is about 463.4365171685.

The spelling of 99533839 in words is "ninety-nine million, five hundred thirty-three thousand, eight hundred thirty-nine".