1443441 has 4 divisors (see below), whose sum is σ = 1924592. Its totient is φ = 962292.

The previous prime is 1443439. The next prime is 1443461.

1443441 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1443441 - 2¹ = 1443439 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

1443441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1443401) 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, 240571 + ... + 240576.

It is an arithmetic number, because the mean of its divisors is an integer number (481148).

2^1443441 is an apocalyptic number.

It is an amenable number.

1443441 is a deficient number, since it is larger than the sum of its proper divisors (481151).

1443441 is an equidigital number, since it uses as much as digits as its factorization.

1443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481150.

The product of its digits is 768, while the sum is 21.

The square root of 1443441 is about 1201.4328945056. The cubic root of 1443441 is about 113.0141992755.

The spelling of 1443441 in words is "one million, four hundred forty-three thousand, four hundred forty-one".