441428 has 18 divisors (see below), whose sum is σ = 837774. Its totient is φ = 203424.

The previous prime is 441421. The next prime is 441443. The reversal of 441428 is 824144.

It can be written as a sum of positive squares in 3 ways, for example, as 8464 + 432964 = 92^2 + 658^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (46543).

2⁴⁴¹⁴²⁸ is an apocalyptic number.

It is an amenable number.

441428 is a deficient number, since it is larger than the sum of its proper divisors (396346).

441428 is a wasteful number, since it uses less digits than its factorization.

441428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 668 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 441428 is about 664.4004816374. The cubic root of 441428 is about 76.1412424235.

The spelling of 441428 in words is "four hundred forty-one thousand, four hundred twenty-eight".