1440799 has 2 divisors, whose sum is σ = 1440800. Its totient is φ = 1440798.

The previous prime is 1440779. The next prime is 1440811. The reversal of 1440799 is 9970441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440799 - 2¹¹ = 1438751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720399 + 720400.

It is an arithmetic number, because the mean of its divisors is an integer number (720400).

2^1440799 is an apocalyptic number.

1440799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440799 is an equidigital number, since it uses as much as digits as its factorization.

1440799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1440799 is about 1200.3328704988. The cubic root of 1440799 is about 112.9452053759.

The spelling of 1440799 in words is "one million, four hundred forty thousand, seven hundred ninety-nine".