3506663 has 2 divisors, whose sum is σ = 3506664. Its totient is φ = 3506662.

The previous prime is 3506567. The next prime is 3506669. The reversal of 3506663 is 3666053.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3506663 - 2⁸ = 3506407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3506669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753331 + 1753332.

It is an arithmetic number, because the mean of its divisors is an integer number (1753332).

Almost surely, 2^3506663 is an apocalyptic number.

3506663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506663 is an equidigital number, since it uses as much as digits as its factorization.

3506663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 3506663 is about 1872.6086083322. The cubic root of 3506663 is about 151.9257341496.

Subtracting from 3506663 its product of nonzero digits (9720), we obtain a palindrome (3496943).

The spelling of 3506663 in words is "three million, five hundred six thousand, six hundred sixty-three".