6845918 has 8 divisors (see below), whose sum is σ = 10292448. Its totient is φ = 3415104.

The previous prime is 6845911. The next prime is 6845921. The reversal of 6845918 is 8195486.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845911) 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, 2771 + ... + 4622.

It is an arithmetic number, because the mean of its divisors is an integer number (1286556).

Almost surely, 2^6845918 is an apocalyptic number.

6845918 is a deficient number, since it is larger than the sum of its proper divisors (3446530).

6845918 is a wasteful number, since it uses less digits than its factorization.

6845918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858.

The product of its digits is 69120, while the sum is 41.

The square root of 6845918 is about 2616.4705234342. The cubic root of 6845918 is about 189.8791290322.

The spelling of 6845918 in words is "six million, eight hundred forty-five thousand, nine hundred eighteen".