6685091 has 8 divisors (see below), whose sum is σ = 7826784. Its totient is φ = 5590080.

The previous prime is 6685043. The next prime is 6685117. The reversal of 6685091 is 1905866.

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

It is a cyclic number.

It is not a de Polignac number, because 6685091 - 2⁶ = 6685027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6685001) 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, 11360 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (978348).

Almost surely, 2^6685091 is an apocalyptic number.

6685091 is a deficient number, since it is larger than the sum of its proper divisors (1141693).

6685091 is a wasteful number, since it uses less digits than its factorization.

6685091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23341.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 6685091 is about 2585.5542926034. The cubic root of 6685091 is about 188.3804259155.

The spelling of 6685091 in words is "six million, six hundred eighty-five thousand, ninety-one".