3641436 has 30 divisors (see below), whose sum is σ = 9520280. Its totient is φ = 1213704.

The previous prime is 3641431. The next prime is 3641437. The reversal of 3641436 is 6341463.

3641436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3641436² = 26520112284192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641431) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 5296 + ... + 5943.

Almost surely, 2^3641436 is an apocalyptic number.

3641436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3641436 is an abundant number, since it is smaller than the sum of its proper divisors (5878844).

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

3641436 is a wasteful number, since it uses less digits than its factorization.

3641436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11255 (or 11244 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3641436 is about 1908.2546999811. The cubic root of 3641436 is about 153.8476595494.

Adding to 3641436 its sum of digits (27), we get a palindrome (3641463).

Adding to 3641436 its reverse (6341463), we get a palindrome (9982899).

The spelling of 3641436 in words is "three million, six hundred forty-one thousand, four hundred thirty-six".