850099 has 4 divisors (see below), whose sum is σ = 857736. Its totient is φ = 842464.

The previous prime is 850093. The next prime is 850121. The reversal of 850099 is 990058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 850099 - 2⁹ = 849587 is a prime.

It is a Duffinian number.

850099 is a modest number, since divided by 99 gives 85 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 850099.

It is not an unprimeable number, because it can be changed into a prime (850093) 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, 3649 + ... + 3874.

It is an arithmetic number, because the mean of its divisors is an integer number (214434).

2⁸⁵⁰⁰⁹⁹ is an apocalyptic number.

850099 is a deficient number, since it is larger than the sum of its proper divisors (7637).

850099 is a wasteful number, since it uses less digits than its factorization.

850099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 850099 is about 922.0081344544. The cubic root of 850099 is about 94.7305012054.

The spelling of 850099 in words is "eight hundred fifty thousand, ninety-nine".