1434439 has 2 divisors, whose sum is σ = 1434440. Its totient is φ = 1434438.

The previous prime is 1434431. The next prime is 1434451. The reversal of 1434439 is 9344341.

It is a weak prime.

It is an emirp because it is prime and its reverse (9344341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1434439 - 2³ = 1434431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717219 + 717220.

It is an arithmetic number, because the mean of its divisors is an integer number (717220).

2^1434439 is an apocalyptic number.

1434439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434439 is an equidigital number, since it uses as much as digits as its factorization.

1434439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 1434439 is about 1197.6806753054. The cubic root of 1434439 is about 112.7787720142.

It can be divided in two parts, 14 and 34439, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 1434439 in words is "one million, four hundred thirty-four thousand, four hundred thirty-nine".