6812438 has 4 divisors (see below), whose sum is σ = 10218660. Its totient is φ = 3406218.

The previous prime is 6812417. The next prime is 6812441. The reversal of 6812438 is 8342186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8342186 = 2 ⋅4171093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703108 + ... + 1703111.

It is an arithmetic number, because the mean of its divisors is an integer number (2554665).

Almost surely, 2^6812438 is an apocalyptic number.

6812438 is a deficient number, since it is larger than the sum of its proper divisors (3406222).

6812438 is a wasteful number, since it uses less digits than its factorization.

6812438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406221.

The product of its digits is 9216, while the sum is 32.

The square root of 6812438 is about 2610.0647501547. The cubic root of 6812438 is about 189.5690880842.

The spelling of 6812438 in words is "six million, eight hundred twelve thousand, four hundred thirty-eight".