6864347 has 4 divisors (see below), whose sum is σ = 7844976. Its totient is φ = 5883720.

The previous prime is 6864331. The next prime is 6864383. The reversal of 6864347 is 7434686.

It is a happy number.

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 6864347 - 2⁴ = 6864331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6864347.

It is not an unprimeable number, because it can be changed into a prime (6864307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490304 + ... + 490317.

It is an arithmetic number, because the mean of its divisors is an integer number (1961244).

Almost surely, 2^6864347 is an apocalyptic number.

6864347 is a deficient number, since it is larger than the sum of its proper divisors (980629).

6864347 is an equidigital number, since it uses as much as digits as its factorization.

6864347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980628.

The product of its digits is 96768, while the sum is 38.

The square root of 6864347 is about 2619.9898854767. The cubic root of 6864347 is about 190.0493592905.

The spelling of 6864347 in words is "six million, eight hundred sixty-four thousand, three hundred forty-seven".