6894861 has 8 divisors (see below), whose sum is σ = 9205440. Its totient is φ = 4590432.

The previous prime is 6894859. The next prime is 6894863. The reversal of 6894861 is 1684986.

It is an interprime number because it is at equal distance from previous prime (6894859) and next prime (6894863).

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

It is not a de Polignac number, because 6894861 - 2¹ = 6894859 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6894861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894863) 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, 2976 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (1150680).

Almost surely, 2^6894861 is an apocalyptic number.

It is an amenable number.

6894861 is a deficient number, since it is larger than the sum of its proper divisors (2310579).

6894861 is a wasteful number, since it uses less digits than its factorization.

6894861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075.

The product of its digits is 82944, while the sum is 42.

The square root of 6894861 is about 2625.8067331774. The cubic root of 6894861 is about 190.3305510932.

The spelling of 6894861 in words is "six million, eight hundred ninety-four thousand, eight hundred sixty-one".