1441720 has 64 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 466560.

The previous prime is 1441703. The next prime is 1441721. The reversal of 1441720 is 271441.

1441720 = T₃₆₀ + T₃₆₁ + ... + T₃₈₀.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2^1441720 is an apocalyptic number.

1441720 is a gapful number since it is divisible by the number (10) 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 1441720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958400).

1441720 is an abundant number, since it is smaller than the sum of its proper divisors (2475080).

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

1441720 is a wasteful number, since it uses less digits than its factorization.

1441720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1441720 is about 1200.7164527898. The cubic root of 1441720 is about 112.9692661869.

It can be divided in two parts, 1441 and 720, that multiplied together give a triangular number (1037520 = T₁₄₄₀).

The spelling of 1441720 in words is "one million, four hundred forty-one thousand, seven hundred twenty".