1440419 has 2 divisors, whose sum is σ = 1440420. Its totient is φ = 1440418.

The previous prime is 1440403. The next prime is 1440437. The reversal of 1440419 is 9140441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440419 - 2⁴ = 1440403 is a prime.

It is a super-2 number, since 2×1440419² = 4149613791122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1440394 and 1440403.

It is not a weakly prime, because it can be changed into another prime (1440449) 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 as a sum of consecutive naturals, namely, 720209 + 720210.

It is an arithmetic number, because the mean of its divisors is an integer number (720210).

2^1440419 is an apocalyptic number.

1440419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440419 is an equidigital number, since it uses as much as digits as its factorization.

1440419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1440419 is about 1200.1745706355. The cubic root of 1440419 is about 112.9352750174.

The spelling of 1440419 in words is "one million, four hundred forty thousand, four hundred nineteen".