3664963 has 2 divisors, whose sum is σ = 3664964. Its totient is φ = 3664962.

The previous prime is 3664957. The next prime is 3665017. The reversal of 3664963 is 3694663.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3664963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3664943) 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, 1832481 + 1832482.

It is an arithmetic number, because the mean of its divisors is an integer number (1832482).

Almost surely, 2^3664963 is an apocalyptic number.

3664963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664963 is an equidigital number, since it uses as much as digits as its factorization.

3664963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 37.

The square root of 3664963 is about 1914.4093083769. The cubic root of 3664963 is about 154.1782806282.

It can be divided in two parts, 366 and 4963, that added together give a square (5329 = 73²).

The spelling of 3664963 in words is "three million, six hundred sixty-four thousand, nine hundred sixty-three".