6864823 has 4 divisors (see below), whose sum is σ = 7845520. Its totient is φ = 5884128.

The previous prime is 6864811. The next prime is 6864839. The reversal of 6864823 is 3284686.

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 6864823 - 2¹³ = 6856631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864853) 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, 490338 + ... + 490351.

It is an arithmetic number, because the mean of its divisors is an integer number (1961380).

Almost surely, 2^6864823 is an apocalyptic number.

6864823 is a deficient number, since it is larger than the sum of its proper divisors (980697).

6864823 is an equidigital number, since it uses as much as digits as its factorization.

6864823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980696.

The product of its digits is 55296, while the sum is 37.

The square root of 6864823 is about 2620.0807239473. The cubic root of 6864823 is about 190.0537521048.

The spelling of 6864823 in words is "six million, eight hundred sixty-four thousand, eight hundred twenty-three".