439847963 has 2 divisors, whose sum is σ = 439847964. Its totient is φ = 439847962.

The previous prime is 439847957. The next prime is 439848011. The reversal of 439847963 is 369748934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439847963 - 2²⁶ = 372739099 is a prime.

It is not a weakly prime, because it can be changed into another prime (439847923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219923981 + 219923982.

It is an arithmetic number, because the mean of its divisors is an integer number (219923982).

Almost surely, 2^439847963 is an apocalyptic number.

439847963 is a deficient number, since it is larger than the sum of its proper divisors (1).

439847963 is an equidigital number, since it uses as much as digits as its factorization.

439847963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 53.

The square root of 439847963 is about 20972.5526104955. The cubic root of 439847963 is about 760.5028775929.

The spelling of 439847963 in words is "four hundred thirty-nine million, eight hundred forty-seven thousand, nine hundred sixty-three".