4636609 has 2 divisors, whose sum is σ = 4636610. Its totient is φ = 4636608.

The previous prime is 4636603. The next prime is 4636613. The reversal of 4636609 is 9066364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 1763584 = 1695^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 4636609 - 2¹¹ = 4634561 is a prime.

It is not a weakly prime, because it can be changed into another prime (4636603) 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, 2318304 + 2318305.

It is an arithmetic number, because the mean of its divisors is an integer number (2318305).

Almost surely, 2^4636609 is an apocalyptic number.

It is an amenable number.

4636609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636609 is an equidigital number, since it uses as much as digits as its factorization.

4636609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 4636609 is about 2153.2786628767. The cubic root of 4636609 is about 166.7503770595.

The spelling of 4636609 in words is "four million, six hundred thirty-six thousand, six hundred nine".