6864547 has 8 divisors (see below), whose sum is σ = 7178240. Its totient is φ = 6556680.

The previous prime is 6864541. The next prime is 6864553. The reversal of 6864547 is 7454686.

It is an interprime number because it is at equal distance from previous prime (6864541) and next prime (6864553).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6864547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6864541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (897280).

Almost surely, 2^6864547 is an apocalyptic number.

6864547 is a deficient number, since it is larger than the sum of its proper divisors (313693).

6864547 is a wasteful number, since it uses less digits than its factorization.

6864547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 161280, while the sum is 40.

The square root of 6864547 is about 2620.0280532849. The cubic root of 6864547 is about 190.0512050356.

The spelling of 6864547 in words is "six million, eight hundred sixty-four thousand, five hundred forty-seven".