863463 has 4 divisors (see below), whose sum is σ = 1151288. Its totient is φ = 575640.

The previous prime is 863393. The next prime is 863479. The reversal of 863463 is 364368.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 863463 - 2¹³ = 855271 is a prime.

It is a D-number.

It is a Duffinian number.

863463 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 863463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143908 + ... + 143913.

It is an arithmetic number, because the mean of its divisors is an integer number (287822).

2⁸⁶³⁴⁶³ is an apocalyptic number.

863463 is a deficient number, since it is larger than the sum of its proper divisors (287825).

863463 is a wasteful number, since it uses less digits than its factorization.

863463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287824.

The product of its digits is 10368, while the sum is 30.

The square root of 863463 is about 929.2270981843. The cubic root of 863463 is about 95.2243267517.

It can be divided in two parts, 863 and 463, that added together give a triangular number (1326 = T₅₁).

The spelling of 863463 in words is "eight hundred sixty-three thousand, four hundred sixty-three".