463889 has 2 divisors, whose sum is σ = 463890. Its totient is φ = 463888.

The previous prime is 463873. The next prime is 463891. The reversal of 463889 is 988364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 54289 = 640^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 463889 - 2⁴ = 463873 is a prime.

It is a Sophie Germain prime.

Together with 463891, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (463829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231944 + 231945.

It is an arithmetic number, because the mean of its divisors is an integer number (231945).

2⁴⁶³⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

463889 is a deficient number, since it is larger than the sum of its proper divisors (1).

463889 is an equidigital number, since it uses as much as digits as its factorization.

463889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 463889 is about 681.0939729582. The cubic root of 463889 is about 77.4113589394.

The spelling of 463889 in words is "four hundred sixty-three thousand, eight hundred eighty-nine".