6946691 has 4 divisors (see below), whose sum is σ = 6965400. Its totient is φ = 6927984.

The previous prime is 6946669. The next prime is 6946703. The reversal of 6946691 is 1966496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6946691 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6946651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (1741350).

Almost surely, 2^6946691 is an apocalyptic number.

6946691 is a deficient number, since it is larger than the sum of its proper divisors (18709).

6946691 is a wasteful number, since it uses less digits than its factorization.

6946691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18708.

The product of its digits is 69984, while the sum is 41.

The square root of 6946691 is about 2635.6576029522. The cubic root of 6946691 is about 190.8062781872.

The spelling of 6946691 in words is "six million, nine hundred forty-six thousand, six hundred ninety-one".