6896861 has 4 divisors (see below), whose sum is σ = 6905052. Its totient is φ = 6888672.

The previous prime is 6896833. The next prime is 6896887. The reversal of 6896861 is 1686986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3724900 + 3171961 = 1930^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 6896861 - 2¹⁴ = 6880477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6896831) 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, 2666 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (1726263).

Almost surely, 2^6896861 is an apocalyptic number.

It is an amenable number.

6896861 is a deficient number, since it is larger than the sum of its proper divisors (8191).

6896861 is an equidigital number, since it uses as much as digits as its factorization.

6896861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190.

The product of its digits is 124416, while the sum is 44.

The square root of 6896861 is about 2626.1875409041. The cubic root of 6896861 is about 190.3489524456.

The spelling of 6896861 in words is "six million, eight hundred ninety-six thousand, eight hundred sixty-one".