441720 has 64 divisors (see below), whose sum is σ = 1476000. Its totient is φ = 117504.

The previous prime is 441713. The next prime is 441737. The reversal of 441720 is 27144.

It is a happy number.

441720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 441693 and 441702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876 + ... + 1284.

2⁴⁴¹⁷²⁰ is an apocalyptic number.

441720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738000).

441720 is an abundant number, since it is smaller than the sum of its proper divisors (1034280).

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

441720 is a wasteful number, since it uses less digits than its factorization.

441720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 441720 is about 664.6201922903. The cubic root of 441720 is about 76.1580276012.

Adding to 441720 its reverse (27144), we get a palindrome (468864).

It can be divided in two parts, 44 and 1720, that added together give a square (1764 = 42²).

The spelling of 441720 in words is "four hundred forty-one thousand, seven hundred twenty", and thus it is an iban number.