809463 has 8 divisors (see below), whose sum is σ = 1105776. Its totient is φ = 526400.

The previous prime is 809461. The next prime is 809491. The reversal of 809463 is 364908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 809463 - 2¹ = 809461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 809463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809461) 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 in 7 ways as a sum of consecutive naturals, for example, 3168 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (138222).

2⁸⁰⁹⁴⁶³ is an apocalyptic number.

809463 is a deficient number, since it is larger than the sum of its proper divisors (296313).

809463 is a wasteful number, since it uses less digits than its factorization.

809463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 809463 is about 899.7016172043. The cubic root of 809463 is about 93.1963708239.

The spelling of 809463 in words is "eight hundred nine thousand, four hundred sixty-three".