1244399 has 4 divisors (see below), whose sum is σ = 1340136. Its totient is φ = 1148664.

The previous prime is 1244393. The next prime is 1244401. The reversal of 1244399 is 9934421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1244399 - 2⁸ = 1244143 is a prime.

It is a super-3 number, since 3×1244399³ = 5780963336380959597, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47849 + ... + 47874.

It is an arithmetic number, because the mean of its divisors is an integer number (335034).

2^1244399 is an apocalyptic number.

1244399 is a deficient number, since it is larger than the sum of its proper divisors (95737).

1244399 is an equidigital number, since it uses as much as digits as its factorization.

1244399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95736.

The product of its digits is 7776, while the sum is 32.

The square root of 1244399 is about 1115.5263331719. The cubic root of 1244399 is about 107.5606004089.

The spelling of 1244399 in words is "one million, two hundred forty-four thousand, three hundred ninety-nine".