853393 has 4 divisors (see below), whose sum is σ = 855360. Its totient is φ = 851428.

The previous prime is 853387. The next prime is 853403. The reversal of 853393 is 393358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 853393 - 2⁹ = 852881 is a prime.

It is a super-2 number, since 2×853393² = 1456559224898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (853493) 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, 13 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2⁸⁵³³⁹³ is an apocalyptic number.

It is an amenable number.

853393 is a deficient number, since it is larger than the sum of its proper divisors (1967).

853393 is a wasteful number, since it uses less digits than its factorization.

853393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its digits is 9720, while the sum is 31.

The square root of 853393 is about 923.7927256696. The cubic root of 853393 is about 94.8526987762.

The spelling of 853393 in words is "eight hundred fifty-three thousand, three hundred ninety-three".