463819 has 4 divisors (see below), whose sum is σ = 465696. Its totient is φ = 461944.

The previous prime is 463807. The next prime is 463823. The reversal of 463819 is 918364.

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

It is a cyclic number.

It is not a de Polignac number, because 463819 - 2⁵ = 463787 is a prime.

It is a super-2 number, since 2×463819² = 430256129522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

463819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (463829) 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 in 3 ways as a sum of consecutive naturals, for example, 499 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

2⁴⁶³⁸¹⁹ is an apocalyptic number.

463819 is a deficient number, since it is larger than the sum of its proper divisors (1877).

463819 is a wasteful number, since it uses less digits than its factorization.

463819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its digits is 5184, while the sum is 31.

The square root of 463819 is about 681.0425831033. The cubic root of 463819 is about 77.4074649994.

The spelling of 463819 in words is "four hundred sixty-three thousand, eight hundred nineteen".