3640933 has 2 divisors, whose sum is σ = 3640934. Its totient is φ = 3640932.

The previous prime is 3640909. The next prime is 3640937. The reversal of 3640933 is 3390463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 173889 = 1862^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640933 - 2¹⁷ = 3509861 is a prime.

It is a super-2 number, since 2×3640933² = 26512786220978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640937) 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 as a sum of consecutive naturals, namely, 1820466 + 1820467.

It is an arithmetic number, because the mean of its divisors is an integer number (1820467).

Almost surely, 2^3640933 is an apocalyptic number.

It is an amenable number.

3640933 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640933 is an equidigital number, since it uses as much as digits as its factorization.

3640933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3640933 is about 1908.1228996058. The cubic root of 3640933 is about 153.8405754452.

The spelling of 3640933 in words is "three million, six hundred forty thousand, nine hundred thirty-three".