473909 has 8 divisors (see below), whose sum is σ = 511128. Its totient is φ = 437760.

The previous prime is 473899. The next prime is 473911. The reversal of 473909 is 909374.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87025 + 386884 = 295^2 + 622^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 473909.

It is not an unprimeable number, because it can be changed into a prime (473929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (63891).

2⁴⁷³⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

473909 is a deficient number, since it is larger than the sum of its proper divisors (37219).

473909 is a wasteful number, since it uses less digits than its factorization.

473909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 473909 is about 688.4104880084. The cubic root of 473909 is about 77.9647550607.

The spelling of 473909 in words is "four hundred seventy-three thousand, nine hundred nine".