3564943 has 2 divisors, whose sum is σ = 3564944. Its totient is φ = 3564942.

The previous prime is 3564937. The next prime is 3564961. The reversal of 3564943 is 3494653.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3564943 is a prime.

It is a super-4 number, since 4×3564943⁴ (a number of 27 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3564899 and 3564908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3564923) 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, 1782471 + 1782472.

It is an arithmetic number, because the mean of its divisors is an integer number (1782472).

Almost surely, 2^3564943 is an apocalyptic number.

3564943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3564943 is an equidigital number, since it uses as much as digits as its factorization.

3564943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 3564943 is about 1888.1056644161. The cubic root of 3564943 is about 152.7627718987.

The spelling of 3564943 in words is "three million, five hundred sixty-four thousand, nine hundred forty-three".