6866057 has 8 divisors (see below), whose sum is σ = 7512480. Its totient is φ = 6223360.

The previous prime is 6866051. The next prime is 6866059. The reversal of 6866057 is 7506686.

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

It is not a de Polignac number, because 6866057 - 2¹⁴ = 6849673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6866057.

It is not an unprimeable number, because it can be changed into a prime (6866051) 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, 4169 + ... + 5577.

It is an arithmetic number, because the mean of its divisors is an integer number (939060).

Almost surely, 2^6866057 is an apocalyptic number.

It is an amenable number.

6866057 is a deficient number, since it is larger than the sum of its proper divisors (646423).

6866057 is a wasteful number, since it uses less digits than its factorization.

6866057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6866057 is about 2620.3162022932. The cubic root of 6866057 is about 190.0651392534.

The spelling of 6866057 in words is "six million, eight hundred sixty-six thousand, fifty-seven".