473809 has 8 divisors (see below), whose sum is σ = 547200. Its totient is φ = 401856.

The previous prime is 473789. The next prime is 473833. The reversal of 473809 is 908374.

It is a happy number.

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

It is not a de Polignac number, because 473809 - 2¹⁵ = 441041 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473839) 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 7 ways as a sum of consecutive naturals, for example, 492 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2⁴⁷³⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

473809 is a deficient number, since it is larger than the sum of its proper divisors (73391).

473809 is a wasteful number, since it uses less digits than its factorization.

473809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 473809 is about 688.3378530925. The cubic root of 473809 is about 77.9592708686.

The spelling of 473809 in words is "four hundred seventy-three thousand, eight hundred nine".