4564939 has 2 divisors, whose sum is σ = 4564940. Its totient is φ = 4564938.

The previous prime is 4564933. The next prime is 4564961. The reversal of 4564939 is 9394654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4564939 - 2⁵ = 4564907 is a prime.

4564939 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4564933) 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, 2282469 + 2282470.

It is an arithmetic number, because the mean of its divisors is an integer number (2282470).

Almost surely, 2^4564939 is an apocalyptic number.

4564939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4564939 is an equidigital number, since it uses as much as digits as its factorization.

4564939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 4564939 is about 2136.5717867650. The cubic root of 4564939 is about 165.8867350442.

The spelling of 4564939 in words is "four million, five hundred sixty-four thousand, nine hundred thirty-nine".