1444399 has 8 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 1243800.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444399 is 9934441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444399 - 2⁷ = 1444271 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 (1444309) 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, 3247 + ... + 3664.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

2^1444399 is an apocalyptic number.

1444399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1444399 is a deficient number, since it is larger than the sum of its proper divisors (214481).

1444399 is a wasteful number, since it uses less digits than its factorization.

1444399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941.

The product of its digits is 15552, while the sum is 34.

The square root of 1444399 is about 1201.8315189743. The cubic root of 1444399 is about 113.0391959466.

The spelling of 1444399 in words is "one million, four hundred forty-four thousand, three hundred ninety-nine".