6823493 has 4 divisors (see below), whose sum is σ = 6832608. Its totient is φ = 6814380.

The previous prime is 6823471. The next prime is 6823501. The reversal of 6823493 is 3943286.

It is a happy number.

6823493 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6823493 is a prime.

It is a d-powerful number, because it can be written as 6³ + 8⁷ + 2⁷ + 3⁵ + 4¹¹ + 9 + 3¹² .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6823423) 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, 3323 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (1708152).

Almost surely, 2^6823493 is an apocalyptic number.

It is an amenable number.

6823493 is a deficient number, since it is larger than the sum of its proper divisors (9115).

6823493 is an equidigital number, since it uses as much as digits as its factorization.

6823493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114.

The product of its digits is 31104, while the sum is 35.

The square root of 6823493 is about 2612.1816552453. The cubic root of 6823493 is about 189.6715748242.

The spelling of 6823493 in words is "six million, eight hundred twenty-three thousand, four hundred ninety-three".