421144 has 16 divisors (see below), whose sum is σ = 803520. Its totient is φ = 206880.

The previous prime is 421133. The next prime is 421147. The reversal of 421144 is 441124.

421144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁴²¹¹⁴⁴ is an apocalyptic number.

It is an amenable number.

421144 is a deficient number, since it is larger than the sum of its proper divisors (382376).

421144 is a wasteful number, since it uses less digits than its factorization.

421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 421144 is about 648.9560848008. The cubic root of 421144 is about 74.9566564374.

Adding to 421144 its reverse (441124), we get a palindrome (862268).

It can be divided in two parts, 421 and 144, that added together give a palindrome (565).

The spelling of 421144 in words is "four hundred twenty-one thousand, one hundred forty-four", and thus it is an iban number.