6866456 has 8 divisors (see below), whose sum is σ = 12874620. Its totient is φ = 3433224.

The previous prime is 6866449. The next prime is 6866459. The reversal of 6866456 is 6546686.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429146 + ... + 429161.

Almost surely, 2^6866456 is an apocalyptic number.

It is an amenable number.

6866456 is a deficient number, since it is larger than the sum of its proper divisors (6008164).

6866456 is a wasteful number, since it uses less digits than its factorization.

6866456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858313 (or 858309 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 6866456 is about 2620.3923370366. The cubic root of 6866456 is about 190.0688208677.

The spelling of 6866456 in words is "six million, eight hundred sixty-six thousand, four hundred fifty-six".