6679438 has 8 divisors (see below), whose sum is σ = 10098432. Its totient is φ = 3313296.

The previous prime is 6679423. The next prime is 6679451. The reversal of 6679438 is 8349766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6679438² = 89229783991688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6679394 and 6679403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12895 + ... + 13402.

It is an arithmetic number, because the mean of its divisors is an integer number (1262304).

Almost surely, 2^6679438 is an apocalyptic number.

6679438 is a deficient number, since it is larger than the sum of its proper divisors (3418994).

6679438 is a wasteful number, since it uses less digits than its factorization.

6679438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26426.

The product of its digits is 217728, while the sum is 43.

The square root of 6679438 is about 2584.4608722130. The cubic root of 6679438 is about 188.3273119611.

It can be divided in two parts, 6679 and 438, that added together give a palindrome (7117).

The spelling of 6679438 in words is "six million, six hundred seventy-nine thousand, four hundred thirty-eight".