3640311 has 12 divisors (see below), whose sum is σ = 5337592. Its totient is φ = 2390256.

The previous prime is 3640309. The next prime is 3640327. The reversal of 3640311 is 1130463.

It is not a de Polignac number, because 3640311 - 2¹ = 3640309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2416 + ... + 3621.

Almost surely, 2^3640311 is an apocalyptic number.

3640311 is a deficient number, since it is larger than the sum of its proper divisors (1697281).

3640311 is a wasteful number, since it uses less digits than its factorization.

3640311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3640311 is about 1907.9599052391. The cubic root of 3640311 is about 153.8318144776.

Adding to 3640311 its reverse (1130463), we get a palindrome (4770774).

The spelling of 3640311 in words is "three million, six hundred forty thousand, three hundred eleven".