823395 has 16 divisors (see below), whose sum is σ = 1395360. Its totient is φ = 413184.

The previous prime is 823373. The next prime is 823399. The reversal of 823395 is 593328.

It is a happy number.

823395 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 823395 - 2⁹ = 822883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (823399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2⁸²³³⁹⁵ is an apocalyptic number.

823395 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

823395 is a deficient number, since it is larger than the sum of its proper divisors (571965).

823395 is a wasteful number, since it uses less digits than its factorization.

823395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254.

The product of its digits is 6480, while the sum is 30.

The square root of 823395 is about 907.4111526756. The cubic root of 823395 is about 93.7280126214.

The spelling of 823395 in words is "eight hundred twenty-three thousand, three hundred ninety-five".