1845756 has 72 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 542880.

The previous prime is 1845751. The next prime is 1845757. The reversal of 1845756 is 6575481.

1845756 is a `hidden beast` number, since 1 + 84 + 575 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1845756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23325 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (72800).

2^1845756 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 1845756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620800).

1845756 is an abundant number, since it is smaller than the sum of its proper divisors (3395844).

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

1845756 is a wasteful number, since it uses less digits than its factorization.

1845756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 1845756 is about 1358.5860296647. The cubic root of 1845756 is about 122.6661579742. Note that the first 3 decimals are identical.

It can be divided in two parts, 1845 and 756, that added together give a square (2601 = 51²).

The spelling of 1845756 in words is "one million, eight hundred forty-five thousand, seven hundred fifty-six".