299885 has 8 divisors (see below), whose sum is σ = 369816. Its totient is φ = 233280.

The previous prime is 299881. The next prime is 299891. The reversal of 299885 is 588992.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 178084 = 349^2 + 422^2 .

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

It is not a de Polignac number, because 299885 - 2² = 299881 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a nialpdrome in base 13.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299881) 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, 626 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (46227).

2²⁹⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

299885 is a deficient number, since it is larger than the sum of its proper divisors (69931).

299885 is a wasteful number, since it uses less digits than its factorization.

299885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its digits is 51840, while the sum is 41.

The square root of 299885 is about 547.6175672858. The cubic root of 299885 is about 66.9347400495.

The spelling of 299885 in words is "two hundred ninety-nine thousand, eight hundred eighty-five".