1444861 has 6 divisors (see below), whose sum is σ = 1588286. Its totient is φ = 1313400.

The previous prime is 1444823. The next prime is 1444873. The reversal of 1444861 is 1684441.

It can be written as a sum of positive squares in only one way, i.e., 1092025 + 352836 = 1045^2 + 594^2 .

It is not a de Polignac number, because 1444861 - 2¹⁵ = 1412093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5850 + ... + 6091.

2^1444861 is an apocalyptic number.

1444861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444861 is a deficient number, since it is larger than the sum of its proper divisors (143425).

1444861 is a wasteful number, since it uses less digits than its factorization.

1444861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11963 (or 11952 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1444861 is about 1202.0237102487. The cubic root of 1444861 is about 113.0512467584.

It can be divided in two parts, 144 and 4861, that added together give a palindrome (5005).

The spelling of 1444861 in words is "one million, four hundred forty-four thousand, eight hundred sixty-one".