6861217 has 8 divisors (see below), whose sum is σ = 7925472. Its totient is φ = 5870400.

The previous prime is 6861203. The next prime is 6861241. The reversal of 6861217 is 7121686.

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

It is a cyclic number.

It is not a de Polignac number, because 6861217 - 2¹¹ = 6859169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6861017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159 + ... + 18532.

It is an arithmetic number, because the mean of its divisors is an integer number (990684).

Almost surely, 2^6861217 is an apocalyptic number.

It is an amenable number.

6861217 is a deficient number, since it is larger than the sum of its proper divisors (1064255).

6861217 is a wasteful number, since it uses less digits than its factorization.

6861217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36719.

The product of its digits is 4032, while the sum is 31.

The square root of 6861217 is about 2619.3924868183. The cubic root of 6861217 is about 190.0204687090.

The spelling of 6861217 in words is "six million, eight hundred sixty-one thousand, two hundred seventeen".