4664839 has 2 divisors, whose sum is σ = 4664840. Its totient is φ = 4664838.

The previous prime is 4664819. The next prime is 4664867. The reversal of 4664839 is 9384664.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4664839 - 2⁷ = 4664711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4664809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332419 + 2332420.

It is an arithmetic number, because the mean of its divisors is an integer number (2332420).

Almost surely, 2^4664839 is an apocalyptic number.

4664839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664839 is an equidigital number, since it uses as much as digits as its factorization.

4664839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 4664839 is about 2159.8238354088. The cubic root of 4664839 is about 167.0881125132.

The spelling of 4664839 in words is "four million, six hundred sixty-four thousand, eight hundred thirty-nine".