6874438 has 4 divisors (see below), whose sum is σ = 10311660. Its totient is φ = 3437218.

The previous prime is 6874423. The next prime is 6874451. The reversal of 6874438 is 8344786.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6874438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718608 + ... + 1718611.

It is an arithmetic number, because the mean of its divisors is an integer number (2577915).

Almost surely, 2^6874438 is an apocalyptic number.

6874438 is a deficient number, since it is larger than the sum of its proper divisors (3437222).

6874438 is a wasteful number, since it uses less digits than its factorization.

6874438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437221.

The product of its digits is 129024, while the sum is 40.

The square root of 6874438 is about 2621.9149490401. The cubic root of 6874438 is about 190.1424416623.

The spelling of 6874438 in words is "six million, eight hundred seventy-four thousand, four hundred thirty-eight".