1441989 has 8 divisors (see below), whose sum is σ = 2136320. Its totient is φ = 961308.

The previous prime is 1441981. The next prime is 1442003. The reversal of 1441989 is 9891441.

It is not a de Polignac number, because 1441989 - 2³ = 1441981 is a prime.

It is a super-2 number, since 2×1441989² = 4158664552242, which contains 22 as substring.

It is a Duffinian number.

1441989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26677 + ... + 26730.

It is an arithmetic number, because the mean of its divisors is an integer number (267040).

2^1441989 is an apocalyptic number.

It is an amenable number.

1441989 is a deficient number, since it is larger than the sum of its proper divisors (694331).

1441989 is an equidigital number, since it uses as much as digits as its factorization.

1441989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53416 (or 53410 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1441989 is about 1200.8284640197. The cubic root of 1441989 is about 112.9762917866.

The spelling of 1441989 in words is "one million, four hundred forty-one thousand, nine hundred eighty-nine".