6680965 has 8 divisors (see below), whose sum is σ = 8275968. Its totient is φ = 5172240.

The previous prime is 6680959. The next prime is 6680969. The reversal of 6680965 is 5690866.

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

It is not a de Polignac number, because 6680965 - 2¹³ = 6672773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680969) 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, 21397 + ... + 21706.

It is an arithmetic number, because the mean of its divisors is an integer number (1034496).

Almost surely, 2^6680965 is an apocalyptic number.

It is an amenable number.

6680965 is a deficient number, since it is larger than the sum of its proper divisors (1595003).

6680965 is a wasteful number, since it uses less digits than its factorization.

6680965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43139.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6680965 is about 2584.7562747772. The cubic root of 6680965 is about 188.3416621651.

Subtracting from 6680965 its reverse (5690866), we obtain a palindrome (990099).

The spelling of 6680965 in words is "six million, six hundred eighty thousand, nine hundred sixty-five".