1444091 has 8 divisors (see below), whose sum is σ = 1605744. Its totient is φ = 1287520.

The previous prime is 1444087. The next prime is 1444103. The reversal of 1444091 is 1904441.

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 1444091 - 2² = 1444087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656 + ... + 1821.

It is an arithmetic number, because the mean of its divisors is an integer number (200718).

2^1444091 is an apocalyptic number.

1444091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1444091 is a deficient number, since it is larger than the sum of its proper divisors (161653).

1444091 is a wasteful number, since it uses less digits than its factorization.

1444091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1444091 is about 1201.7033743815. The cubic root of 1444091 is about 113.0311606444.

The spelling of 1444091 in words is "one million, four hundred forty-four thousand, ninety-one".