3640182 has 64 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 935424.

The previous prime is 3640181. The next prime is 3640207. The reversal of 3640182 is 2810463.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32158 + ... + 32270.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

Almost surely, 2^3640182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3640182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596480).

3640182 is an abundant number, since it is smaller than the sum of its proper divisors (5552778).

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

3640182 is a wasteful number, since it uses less digits than its factorization.

3640182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3640182 is about 1907.9260991978. The cubic root of 3640182 is about 153.8299973675.

The spelling of 3640182 in words is "three million, six hundred forty thousand, one hundred eighty-two".