1444992 has 64 divisors (see below), whose sum is σ = 3965760. Its totient is φ = 465920.

The previous prime is 1444981. The next prime is 1444999. The reversal of 1444992 is 2994441.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1444999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20317 + ... + 20387.

It is an arithmetic number, because the mean of its divisors is an integer number (61965).

2^1444992 is an apocalyptic number.

1444992 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 1444992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1982880).

1444992 is an abundant number, since it is smaller than the sum of its proper divisors (2520768).

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

1444992 is an equidigital number, since it uses as much as digits as its factorization.

1444992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 129 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1444992 is about 1202.0782004512. The cubic root of 1444992 is about 113.0546632960.

It can be divided in two parts, 14449 and 92, that added together give a palindrome (14541).

The spelling of 1444992 in words is "one million, four hundred forty-four thousand, nine hundred ninety-two".