421044 has 24 divisors (see below), whose sum is σ = 1058400. Its totient is φ = 129504.

The previous prime is 421037. The next prime is 421049. The reversal of 421044 is 440124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421049) 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, 1194 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁴²¹⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

421044 is an abundant number, since it is smaller than the sum of its proper divisors (637356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421044 is a wasteful number, since it uses less digits than its factorization.

421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 421044 is about 648.8790334107. The cubic root of 421044 is about 74.9507231866.

Adding to 421044 its reverse (440124), we get a palindrome (861168).

The spelling of 421044 in words is "four hundred twenty-one thousand, forty-four", and thus it is an iban number.