1441891 has 8 divisors (see below), whose sum is σ = 1656000. Its totient is φ = 1241640.

The previous prime is 1441883. The next prime is 1441931. The reversal of 1441891 is 1981441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1441891 - 2³ = 1441883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441871) 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, 3241 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (207000).

2^1441891 is an apocalyptic number.

1441891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1441891 is a deficient number, since it is larger than the sum of its proper divisors (214109).

1441891 is a wasteful number, since it uses less digits than its factorization.

1441891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929.

The product of its digits is 1152, while the sum is 28.

The square root of 1441891 is about 1200.7876581644. The cubic root of 1441891 is about 112.9737323756.

It can be divided in two parts, 1441 and 891, that added together give a palindrome (2332).

The spelling of 1441891 in words is "one million, four hundred forty-one thousand, eight hundred ninety-one".