3640411 has 4 divisors (see below), whose sum is σ = 3709152. Its totient is φ = 3571672.

The previous prime is 3640409. The next prime is 3640447. The reversal of 3640411 is 1140463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3640411 - 2¹ = 3640409 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3640451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34291 + ... + 34396.

It is an arithmetic number, because the mean of its divisors is an integer number (927288).

Almost surely, 2^3640411 is an apocalyptic number.

3640411 is a deficient number, since it is larger than the sum of its proper divisors (68741).

3640411 is an equidigital number, since it uses as much as digits as its factorization.

3640411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68740.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3640411 is about 1907.9861110606. The cubic root of 3640411 is about 153.8332230606.

Adding to 3640411 its reverse (1140463), we get a palindrome (4780874).

The spelling of 3640411 in words is "three million, six hundred forty thousand, four hundred eleven".