6823641 has 16 divisors (see below), whose sum is σ = 10448640. Its totient is φ = 3917520.

The previous prime is 6823573. The next prime is 6823657. The reversal of 6823641 is 1463286.

It is not a de Polignac number, because 6823641 - 2¹⁸ = 6561497 is a prime.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 6823599 and 6823608.

It is not an unprimeable number, because it can be changed into a prime (6823241) 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, 4815 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (653040).

Almost surely, 2^6823641 is an apocalyptic number.

It is an amenable number.

6823641 is a deficient number, since it is larger than the sum of its proper divisors (3624999).

6823641 is a wasteful number, since it uses less digits than its factorization.

6823641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10916.

The product of its digits is 6912, while the sum is 30.

The square root of 6823641 is about 2612.2099839025. The cubic root of 6823641 is about 189.6729461253.

The spelling of 6823641 in words is "six million, eight hundred twenty-three thousand, six hundred forty-one".