1234439 has 2 divisors, whose sum is σ = 1234440. Its totient is φ = 1234438.

The previous prime is 1234417. The next prime is 1234463. The reversal of 1234439 is 9344321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234439 - 2¹² = 1230343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617219 + 617220.

It is an arithmetic number, because the mean of its divisors is an integer number (617220).

2^1234439 is an apocalyptic number.

1234439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234439 is an equidigital number, since it uses as much as digits as its factorization.

1234439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 1234439 is about 1111.0531040414. The cubic root of 1234439 is about 107.2728645764.

The spelling of 1234439 in words is "one million, two hundred thirty-four thousand, four hundred thirty-nine".