3504223 has 2 divisors, whose sum is σ = 3504224. Its totient is φ = 3504222.

The previous prime is 3504217. The next prime is 3504239. The reversal of 3504223 is 3224053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3504223 - 2⁹ = 3503711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3504223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3504253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752111 + 1752112.

It is an arithmetic number, because the mean of its divisors is an integer number (1752112).

Almost surely, 2^3504223 is an apocalyptic number.

3504223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3504223 is an equidigital number, since it uses as much as digits as its factorization.

3504223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3504223 is about 1871.9569973693. The cubic root of 3504223 is about 151.8904884090.

Adding to 3504223 its reverse (3224053), we get a palindrome (6728276).

The spelling of 3504223 in words is "three million, five hundred four thousand, two hundred twenty-three".