3564397 has 2 divisors, whose sum is σ = 3564398. Its totient is φ = 3564396.

The previous prime is 3564389. The next prime is 3564437. The reversal of 3564397 is 7934653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 1565001 = 1414^2 + 1251^2 .

It is an emirp because it is prime and its reverse (7934653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3564397 - 2³ = 3564389 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 5⁹ + 6² + 4² + 3¹³ + 9 + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3564307) 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, 1782198 + 1782199.

It is an arithmetic number, because the mean of its divisors is an integer number (1782199).

Almost surely, 2^3564397 is an apocalyptic number.

It is an amenable number.

3564397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3564397 is an equidigital number, since it uses as much as digits as its factorization.

3564397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 37.

The square root of 3564397 is about 1887.9610695139. The cubic root of 3564397 is about 152.7549725470.

It can be divided in two parts, 356 and 4397, that added together give a triangular number (4753 = T₉₇).

The spelling of 3564397 in words is "three million, five hundred sixty-four thousand, three hundred ninety-seven".