1444392 has 48 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 480816.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444392 is 2934441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 1573 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (84630).

2^1444392 is an apocalyptic number.

1444392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031120).

1444392 is an abundant number, since it is smaller than the sum of its proper divisors (2617848).

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

1444392 is an equidigital number, since it uses as much as digits as its factorization.

1444392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 748 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1444392 is about 1201.8286067489. The cubic root of 1444392 is about 113.0390133388.

It can be divided in two parts, 144439 and 2, that added together give a palindrome (144441).

The spelling of 1444392 in words is "one million, four hundred forty-four thousand, three hundred ninety-two".