6823442 has 4 divisors (see below), whose sum is σ = 10235166. Its totient is φ = 3411720.

The previous prime is 6823423. The next prime is 6823447. The reversal of 6823442 is 2443286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6497401 + 326041 = 2549^2 + 571^2 .

It is not an unprimeable number, because it can be changed into a prime (6823447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705859 + ... + 1705862.

Almost surely, 2^6823442 is an apocalyptic number.

6823442 is a deficient number, since it is larger than the sum of its proper divisors (3411724).

6823442 is a wasteful number, since it uses less digits than its factorization.

6823442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411723.

The product of its digits is 9216, while the sum is 29.

The square root of 6823442 is about 2612.1718932720. The cubic root of 6823442 is about 189.6711022767.

The spelling of 6823442 in words is "six million, eight hundred twenty-three thousand, four hundred forty-two".