4456939 has 2 divisors, whose sum is σ = 4456940. Its totient is φ = 4456938.

The previous prime is 4456937. The next prime is 4456951. The reversal of 4456939 is 9396544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4456939 - 2¹ = 4456937 is a prime.

Together with 4456937, it forms a pair of twin primes.

4456939 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4456931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2228469 + 2228470.

It is an arithmetic number, because the mean of its divisors is an integer number (2228470).

Almost surely, 2^4456939 is an apocalyptic number.

4456939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4456939 is an equidigital number, since it uses as much as digits as its factorization.

4456939 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 4456939 is about 2111.1463710506. The cubic root of 4456939 is about 164.5680652539.

The spelling of 4456939 in words is "four million, four hundred fifty-six thousand, nine hundred thirty-nine".