439463 has 2 divisors, whose sum is σ = 439464. Its totient is φ = 439462.

The previous prime is 439459. The next prime is 439471. The reversal of 439463 is 364934.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439463 - 2² = 439459 is a prime.

It is a d-powerful number, because it can be written as 4 + 3⁴ + 4⁹ + 9² + 6 + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439493) 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, 219731 + 219732.

It is an arithmetic number, because the mean of its divisors is an integer number (219732).

2⁴³⁹⁴⁶³ is an apocalyptic number.

439463 is a deficient number, since it is larger than the sum of its proper divisors (1).

439463 is an equidigital number, since it uses as much as digits as its factorization.

439463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 439463 is about 662.9200555120. The cubic root of 439463 is about 76.0280944147.

Subtracting from 439463 its reverse (364934), we obtain a square (74529 = 273²).

The spelling of 439463 in words is "four hundred thirty-nine thousand, four hundred sixty-three".