958439 has 2 divisors, whose sum is σ = 958440. Its totient is φ = 958438.

The previous prime is 958423. The next prime is 958459. The reversal of 958439 is 934859.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 958439 - 2⁴ = 958423 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 958439.

It is not a weakly prime, because it can be changed into another prime (958459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479219 + 479220.

It is an arithmetic number, because the mean of its divisors is an integer number (479220).

2⁹⁵⁸⁴³⁹ is an apocalyptic number.

958439 is a deficient number, since it is larger than the sum of its proper divisors (1).

958439 is an equidigital number, since it uses as much as digits as its factorization.

958439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 958439 is about 978.9989785490. The cubic root of 958439 is about 98.5949851183.

The spelling of 958439 in words is "nine hundred fifty-eight thousand, four hundred thirty-nine".