473421 has 16 divisors (see below), whose sum is σ = 694400. Its totient is φ = 285120.

The previous prime is 473419. The next prime is 473441. The reversal of 473421 is 124374.

It is not a de Polignac number, because 473421 - 2¹ = 473419 is a prime.

It is a Duffinian 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 473421.

It is not an unprimeable number, because it can be changed into a prime (473411) 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 15 ways as a sum of consecutive naturals, for example, 2280 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (43400).

2⁴⁷³⁴²¹ is an apocalyptic number.

It is an amenable number.

473421 is a deficient number, since it is larger than the sum of its proper divisors (220979).

473421 is a wasteful number, since it uses less digits than its factorization.

473421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its digits is 672, while the sum is 21.

The square root of 473421 is about 688.0559570268. The cubic root of 473421 is about 77.9379848950.

Adding to 473421 its reverse (124374), we get a palindrome (597795).

The spelling of 473421 in words is "four hundred seventy-three thousand, four hundred twenty-one", and thus it is an iban number.