6909158 has 16 divisors (see below), whose sum is σ = 10798080. Its totient is φ = 3312576.

The previous prime is 6909151. The next prime is 6909167. The reversal of 6909158 is 8519096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6909151) 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, 4763 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (674880).

Almost surely, 2^6909158 is an apocalyptic number.

6909158 is a deficient number, since it is larger than the sum of its proper divisors (3888922).

6909158 is a wasteful number, since it uses less digits than its factorization.

6909158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 6909158 is about 2628.5277247920. The cubic root of 6909158 is about 190.4620150542.

The spelling of 6909158 in words is "six million, nine hundred nine thousand, one hundred fifty-eight".