3564243 has 20 divisors (see below), whose sum is σ = 5401440. Its totient is φ = 2341872.

The previous prime is 3564221. The next prime is 3564257. The reversal of 3564243 is 3424653.

It is not a de Polignac number, because 3564243 - 2⁹ = 3563731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3⁵ + 5⁹ + 6² + 4 + 2⁷ + 4⁷ + 3¹³ .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (3564283) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6121 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (270072).

Almost surely, 2^3564243 is an apocalyptic number.

3564243 is a deficient number, since it is larger than the sum of its proper divisors (1837197).

3564243 is an equidigital number, since it uses as much as digits as its factorization.

3564243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 639 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3564243 is about 1887.9202843341. The cubic root of 3564243 is about 152.7527725859.

Adding to 3564243 its reverse (3424653), we get a palindrome (6988896).

The spelling of 3564243 in words is "three million, five hundred sixty-four thousand, two hundred forty-three".