3640333 has 2 divisors, whose sum is σ = 3640334. Its totient is φ = 3640332.

The previous prime is 3640331. The next prime is 3640369. The reversal of 3640333 is 3330463.

3640333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3247204 + 393129 = 1802^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640333 - 2¹ = 3640331 is a prime.

Together with 3640331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640331) 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 as a sum of consecutive naturals, namely, 1820166 + 1820167.

It is an arithmetic number, because the mean of its divisors is an integer number (1820167).

Almost surely, 2^3640333 is an apocalyptic number.

It is an amenable number.

3640333 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640333 is an equidigital number, since it uses as much as digits as its factorization.

3640333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 3640333 is about 1907.9656705507. The cubic root of 3640333 is about 153.8321243681.

Adding to 3640333 its reverse (3330463), we get a palindrome (6970796).

The spelling of 3640333 in words is "three million, six hundred forty thousand, three hundred thirty-three".