403473 has 8 divisors (see below), whose sum is σ = 614848. Its totient is φ = 230544.

The previous prime is 403439. The next prime is 403483. The reversal of 403473 is 374304.

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

It is not a de Polignac number, because 403473 - 2¹⁴ = 387089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 19213 = 403473 / (4 + 0 + 3 + 4 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403473.

It is not an unprimeable number, because it can be changed into a prime (403433) 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, 9586 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (76856).

2⁴⁰³⁴⁷³ is an apocalyptic number.

It is an amenable number.

403473 is a deficient number, since it is larger than the sum of its proper divisors (211375).

403473 is a wasteful number, since it uses less digits than its factorization.

403473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 403473 is about 635.1952455741. The cubic root of 403473 is about 73.8932597921.

Adding to 403473 its reverse (374304), we get a palindrome (777777).

The spelling of 403473 in words is "four hundred three thousand, four hundred seventy-three", and thus it is an iban number.