3645184 has 36 divisors (see below), whose sum is σ = 7542360. Its totient is φ = 1756160.

The previous prime is 3645151. The next prime is 3645193. The reversal of 3645184 is 4815463.

It is a happy number.

3645184 is nontrivially palindromic in base 15.

3645184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7179 + ... + 7669.

It is an arithmetic number, because the mean of its divisors is an integer number (209510).

Almost surely, 2^3645184 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 3645184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3771180).

3645184 is an abundant number, since it is smaller than the sum of its proper divisors (3897176).

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

3645184 is an equidigital number, since it uses as much as digits as its factorization.

3645184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 522 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 3645184 is about 1909.2364966132. The cubic root of 3645184 is about 153.9004247505.

The spelling of 3645184 in words is "three million, six hundred forty-five thousand, one hundred eighty-four".