855299 has 4 divisors (see below), whose sum is σ = 861960. Its totient is φ = 848640.

The previous prime is 855293. The next prime is 855307. The reversal of 855299 is 992558.

It is a happy number.

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 855299 - 2¹² = 851203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855293) 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, 3134 + ... + 3395.

It is an arithmetic number, because the mean of its divisors is an integer number (215490).

2⁸⁵⁵²⁹⁹ is an apocalyptic number.

855299 is a deficient number, since it is larger than the sum of its proper divisors (6661).

855299 is a wasteful number, since it uses less digits than its factorization.

855299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660.

The product of its digits is 32400, while the sum is 38.

The square root of 855299 is about 924.8237669956. The cubic root of 855299 is about 94.9232621301.

It can be divided in two parts, 8552 and 99, that multiplied together give a palindrome (846648).

The spelling of 855299 in words is "eight hundred fifty-five thousand, two hundred ninety-nine".