6823642 has 28 divisors (see below), whose sum is σ = 12353130. Its totient is φ = 2823576.

The previous prime is 6823573. The next prime is 6823657. The reversal of 6823642 is 2463286.

It can be written as a sum of positive squares in only one way, i.e., 5764801 + 1058841 = 2401^2 + 1029^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 235284 + ... + 235312.

Almost surely, 2^6823642 is an apocalyptic number.

6823642 is a deficient number, since it is larger than the sum of its proper divisors (5529488).

6823642 is an frugal number, since it uses more digits than its factorization.

6823642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 38 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 6823642 is about 2612.2101753113. The cubic root of 6823642 is about 189.6729553908.

The spelling of 6823642 in words is "six million, eight hundred twenty-three thousand, six hundred forty-two".