6845418 has 32 divisors (see below), whose sum is σ = 15364800. Its totient is φ = 2258928.

The previous prime is 6845417. The next prime is 6845519. The reversal of 6845418 is 8145486.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6845413) 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 15 ways as a sum of consecutive naturals, for example, 5305 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (480150).

Almost surely, 2^6845418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7682400).

6845418 is an abundant number, since it is smaller than the sum of its proper divisors (8519382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6845418 is a wasteful number, since it uses less digits than its factorization.

6845418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1277 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 6845418 is about 2616.3749731260. The cubic root of 6845418 is about 189.8745062348.

The spelling of 6845418 in words is "six million, eight hundred forty-five thousand, four hundred eighteen".