6671438 has 8 divisors (see below), whose sum is σ = 10251360. Its totient is φ = 3254320.

The previous prime is 6671411. The next prime is 6671443. The reversal of 6671438 is 8341766.

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

It is a junction number, because it is equal to n+sod(n) for n = 6671398 and 6671407.

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, 40598 + ... + 40761.

It is an arithmetic number, because the mean of its divisors is an integer number (1281420).

Almost surely, 2^6671438 is an apocalyptic number.

6671438 is a deficient number, since it is larger than the sum of its proper divisors (3579922).

6671438 is a wasteful number, since it uses less digits than its factorization.

6671438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81402.

The product of its digits is 24192, while the sum is 35.

The square root of 6671438 is about 2582.9126969373. The cubic root of 6671438 is about 188.2520950346.

The spelling of 6671438 in words is "six million, six hundred seventy-one thousand, four hundred thirty-eight".