1442844 has 36 divisors (see below), whose sum is σ = 3929016. Its totient is φ = 443808.

The previous prime is 1442827. The next prime is 1442849. The reversal of 1442844 is 4482441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442849) 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 11 ways as a sum of consecutive naturals, for example, 1074 + ... + 2009.

2^1442844 is an apocalyptic number.

It is an amenable number.

1442844 is an abundant number, since it is smaller than the sum of its proper divisors (2486172).

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

1442844 is a wasteful number, since it uses less digits than its factorization.

1442844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3101 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1442844 is about 1201.1844154833. The cubic root of 1442844 is about 112.9986164239.

The spelling of 1442844 in words is "one million, four hundred forty-two thousand, eight hundred forty-four".