853399 has 4 divisors (see below), whose sum is σ = 880960. Its totient is φ = 825840.

The previous prime is 853387. The next prime is 853403. The reversal of 853399 is 993358.

853399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 853399 - 2¹¹ = 851351 is a prime.

It is a Duffinian number.

853399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853319) 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, 13734 + ... + 13795.

It is an arithmetic number, because the mean of its divisors is an integer number (220240).

2⁸⁵³³⁹⁹ is an apocalyptic number.

853399 is a deficient number, since it is larger than the sum of its proper divisors (27561).

853399 is a wasteful number, since it uses less digits than its factorization.

853399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27560.

The product of its digits is 29160, while the sum is 37.

The square root of 853399 is about 923.7959731456. The cubic root of 853399 is about 94.8529210712.

The spelling of 853399 in words is "eight hundred fifty-three thousand, three hundred ninety-nine".