421466 has 8 divisors (see below), whose sum is σ = 635040. Its totient is φ = 209788.

The previous prime is 421459. The next prime is 421469. The reversal of 421466 is 664124.

It is a happy number.

421466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (421469) 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, 425 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2⁴²¹⁴⁶⁶ is an apocalyptic number.

421466 is a deficient number, since it is larger than the sum of its proper divisors (213574).

421466 is a wasteful number, since it uses less digits than its factorization.

421466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its digits is 1152, while the sum is 23.

The square root of 421466 is about 649.2041281446. The cubic root of 421466 is about 74.9757551263.

The spelling of 421466 in words is "four hundred twenty-one thousand, four hundred sixty-six".