6908091 has 8 divisors (see below), whose sum is σ = 9314640. Its totient is φ = 4553472.

The previous prime is 6908081. The next prime is 6908101. The reversal of 6908091 is 1908096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6908081) and next prime (6908101).

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

It is not a de Polignac number, because 6908091 - 2⁵ = 6908059 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6908021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12670 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (1164330).

Almost surely, 2^6908091 is an apocalyptic number.

6908091 is a deficient number, since it is larger than the sum of its proper divisors (2406549).

6908091 is a wasteful number, since it uses less digits than its factorization.

6908091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25965.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 6908091 is about 2628.3247516241. The cubic root of 6908091 is about 190.4522100277.

The spelling of 6908091 in words is "six million, nine hundred eight thousand, ninety-one".