6708891 has 16 divisors (see below), whose sum is σ = 10289664. Its totient is φ = 3808704.

The previous prime is 6708883. The next prime is 6708901. The reversal of 6708891 is 1988076.

It is not a de Polignac number, because 6708891 - 2³ = 6708883 is a prime.

6708891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6708851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2551 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (643104).

Almost surely, 2^6708891 is an apocalyptic number.

6708891 is a deficient number, since it is larger than the sum of its proper divisors (3580773).

6708891 is a wasteful number, since it uses less digits than its factorization.

6708891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 6708891 is about 2590.1526982014. The cubic root of 6708891 is about 188.6037160213.

The spelling of 6708891 in words is "six million, seven hundred eight thousand, eight hundred ninety-one".