6860921 has 8 divisors (see below), whose sum is σ = 7004160. Its totient is φ = 6719328.

The previous prime is 6860897. The next prime is 6860929. The reversal of 6860921 is 1290686.

6860921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6860921 - 2⁶ = 6860857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6860929) 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 7 ways as a sum of consecutive naturals, for example, 11000 + ... + 11606.

It is an arithmetic number, because the mean of its divisors is an integer number (875520).

Almost surely, 2^6860921 is an apocalyptic number.

It is an amenable number.

6860921 is a deficient number, since it is larger than the sum of its proper divisors (143239).

6860921 is a wasteful number, since it uses less digits than its factorization.

6860921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6860921 is about 2619.3359845579. The cubic root of 6860921 is about 190.0177361098.

The spelling of 6860921 in words is "six million, eight hundred sixty thousand, nine hundred twenty-one".