6845544 has 48 divisors (see below), whose sum is σ = 19144320. Its totient is φ = 2207520.

The previous prime is 6845519. The next prime is 6845549. The reversal of 6845544 is 4455486.

It is a super-2 number, since 2×6845544² = 93722945311872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6845499 and 6845508.

It is not an unprimeable number, because it can be changed into a prime (6845549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (398840).

Almost surely, 2^6845544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9572160).

6845544 is an abundant number, since it is smaller than the sum of its proper divisors (12298776).

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

6845544 is a wasteful number, since it uses less digits than its factorization.

6845544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110 (or 3103 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 6845544 is about 2616.3990521325. The cubic root of 6845544 is about 189.8756712009.

The spelling of 6845544 in words is "six million, eight hundred forty-five thousand, five hundred forty-four".