6874289 has 4 divisors (see below), whose sum is σ = 6883956. Its totient is φ = 6864624.

The previous prime is 6874279. The next prime is 6874297. The reversal of 6874289 is 9824786.

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

It can be written as a sum of positive squares in 2 ways, for example, as 664225 + 6210064 = 815^2 + 2492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6874289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6874229) 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, 3674 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (1720989).

Almost surely, 2^6874289 is an apocalyptic number.

It is an amenable number.

6874289 is a deficient number, since it is larger than the sum of its proper divisors (9667).

6874289 is an equidigital number, since it uses as much as digits as its factorization.

6874289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666.

The product of its digits is 193536, while the sum is 44.

The square root of 6874289 is about 2621.8865345396. The cubic root of 6874289 is about 190.1410679049.

The spelling of 6874289 in words is "six million, eight hundred seventy-four thousand, two hundred eighty-nine".