6686201 has 4 divisors (see below), whose sum is σ = 6720000. Its totient is φ = 6652404.

The previous prime is 6686191. The next prime is 6686203. The reversal of 6686201 is 1026866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6686201 - 2¹⁸ = 6424057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6686203) 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, 16601 + ... + 16998.

It is an arithmetic number, because the mean of its divisors is an integer number (1680000).

Almost surely, 2^6686201 is an apocalyptic number.

It is an amenable number.

6686201 is a deficient number, since it is larger than the sum of its proper divisors (33799).

6686201 is a wasteful number, since it uses less digits than its factorization.

6686201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33798.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6686201 is about 2585.7689378597. The cubic root of 6686201 is about 188.3908516375.

The spelling of 6686201 in words is "six million, six hundred eighty-six thousand, two hundred one".