6874387 has 4 divisors (see below), whose sum is σ = 7403200. Its totient is φ = 6345576.

The previous prime is 6874381. The next prime is 6874397. The reversal of 6874387 is 7834786.

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

It is a cyclic number.

It is not a de Polignac number, because 6874387 - 2³ = 6874379 is a prime.

It is a Duffinian number.

6874387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6874381) 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, 264387 + ... + 264412.

It is an arithmetic number, because the mean of its divisors is an integer number (1850800).

Almost surely, 2^6874387 is an apocalyptic number.

6874387 is a deficient number, since it is larger than the sum of its proper divisors (528813).

6874387 is a wasteful number, since it uses less digits than its factorization.

6874387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528812.

The product of its digits is 225792, while the sum is 43.

The square root of 6874387 is about 2621.9052233061. The cubic root of 6874387 is about 190.1419714523.

The spelling of 6874387 in words is "six million, eight hundred seventy-four thousand, three hundred eighty-seven".