636099 has 8 divisors (see below), whose sum is σ = 868032. Its totient is φ = 414120.

The previous prime is 636073. The next prime is 636107. The reversal of 636099 is 990636.

636099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 636099 - 2¹⁷ = 505027 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 636099.

It is not an unprimeable number, because it can be changed into a prime (636059) 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, 2337 + ... + 2594.

It is an arithmetic number, because the mean of its divisors is an integer number (108504).

2⁶³⁶⁰⁹⁹ is an apocalyptic number.

636099 is a deficient number, since it is larger than the sum of its proper divisors (231933).

636099 is a wasteful number, since it uses less digits than its factorization.

636099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 636099 is about 797.5581483503. The cubic root of 636099 is about 86.0019379408.

The spelling of 636099 in words is "six hundred thirty-six thousand, ninety-nine".