421244 has 12 divisors (see below), whose sum is σ = 751464. Its totient is φ = 206544.

The previous prime is 421241. The next prime is 421273. The reversal of 421244 is 442124.

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 (421241) 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, 782 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (62622).

2⁴²¹²⁴⁴ is an apocalyptic number.

It is an amenable number.

421244 is a deficient number, since it is larger than the sum of its proper divisors (330220).

421244 is a wasteful number, since it uses less digits than its factorization.

421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2042 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 421244 is about 649.0331270436. The cubic root of 421244 is about 74.9625887492.

Adding to 421244 its reverse (442124), we get a palindrome (863368).

The spelling of 421244 in words is "four hundred twenty-one thousand, two hundred forty-four", and thus it is an iban number.