6874638 has 8 divisors (see below), whose sum is σ = 13749288. Its totient is φ = 2291544.

The previous prime is 6874633. The next prime is 6874657. The reversal of 6874638 is 8364786.

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

6874638 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6874638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6874633) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 572881 + ... + 572892.

It is an arithmetic number, because the mean of its divisors is an integer number (1718661).

Almost surely, 2^6874638 is an apocalyptic number.

6874638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6874638 is a wasteful number, since it uses less digits than its factorization.

6874638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145778.

The product of its digits is 193536, while the sum is 42.

The square root of 6874638 is about 2621.9530888252. The cubic root of 6874638 is about 190.1442856006.

The spelling of 6874638 in words is "six million, eight hundred seventy-four thousand, six hundred thirty-eight".