6916667 has 4 divisors (see below), whose sum is σ = 6922080. Its totient is φ = 6911256.

The previous prime is 6916633. The next prime is 6916673. The reversal of 6916667 is 7666196.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6916667 - 2⁸ = 6916411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6916697) 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, 398 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (1730520).

Almost surely, 2^6916667 is an apocalyptic number.

6916667 is a deficient number, since it is larger than the sum of its proper divisors (5413).

6916667 is a wasteful number, since it uses less digits than its factorization.

6916667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412.

The product of its digits is 81648, while the sum is 41.

The square root of 6916667 is about 2629.9557030490. The cubic root of 6916667 is about 190.5309892798.

The spelling of 6916667 in words is "six million, nine hundred sixteen thousand, six hundred sixty-seven".