1444388 has 24 divisors (see below), whose sum is σ = 2921184. Its totient is φ = 617600.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444388 is 8834441.

It is an unprimeable number.

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, 218 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (121716).

2^1444388 is an apocalyptic number.

It is an amenable number.

1444388 is an abundant number, since it is smaller than the sum of its proper divisors (1476796).

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

1444388 is a wasteful number, since it uses less digits than its factorization.

1444388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1961 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 1444388 is about 1201.8269426169. The cubic root of 1444388 is about 113.0389089912.

The spelling of 1444388 in words is "one million, four hundred forty-four thousand, three hundred eighty-eight".