6422679 has 8 divisors (see below), whose sum is σ = 9515120. Its totient is φ = 4281768.

The previous prime is 6422677. The next prime is 6422701. The reversal of 6422679 is 9762246.

It is a happy number.

6422679 is a `hidden beast` number, since 642 + 2 + 6 + 7 + 9 = 666.

It is not a de Polignac number, because 6422679 - 2¹ = 6422677 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 (6422677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118912 + ... + 118965.

It is an arithmetic number, because the mean of its divisors is an integer number (1189390).

Almost surely, 2^6422679 is an apocalyptic number.

6422679 is a deficient number, since it is larger than the sum of its proper divisors (3092441).

6422679 is a wasteful number, since it uses less digits than its factorization.

6422679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237886 (or 237880 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 6422679 is about 2534.3004952057. The cubic root of 6422679 is about 185.8826002126.

It can be divided in two parts, 642 and 2679, that added together give a triangular number (3321 = T₈₁).

The spelling of 6422679 in words is "six million, four hundred twenty-two thousand, six hundred seventy-nine".