6685746 has 16 divisors (see below), whose sum is σ = 13437408. Its totient is φ = 2217600.

The previous prime is 6685741. The next prime is 6685751. The reversal of 6685746 is 6475866.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6685741) and next prime (6685751).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6685698 and 6685707.

It is not an unprimeable number, because it can be changed into a prime (6685741) 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, 1375 + ... + 3906.

It is an arithmetic number, because the mean of its divisors is an integer number (839838).

Almost surely, 2^6685746 is an apocalyptic number.

6685746 is an abundant number, since it is smaller than the sum of its proper divisors (6751662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6685746 is a wasteful number, since it uses less digits than its factorization.

6685746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497.

The product of its digits is 241920, while the sum is 42.

The square root of 6685746 is about 2585.6809547970. The cubic root of 6685746 is about 188.3865781703.

The spelling of 6685746 in words is "six million, six hundred eighty-five thousand, seven hundred forty-six".