959439 has 16 divisors (see below), whose sum is σ = 1400672. Its totient is φ = 580608.

The previous prime is 959389. The next prime is 959449. The reversal of 959439 is 934959.

It is a happy number.

It is not a de Polignac number, because 959439 - 2⁸ = 959183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 959397 and 959406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959449) 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 in 15 ways as a sum of consecutive naturals, for example, 2679 + ... + 3015.

It is an arithmetic number, because the mean of its divisors is an integer number (87542).

2⁹⁵⁹⁴³⁹ is an apocalyptic number.

959439 is a deficient number, since it is larger than the sum of its proper divisors (441233).

959439 is a wasteful number, since it uses less digits than its factorization.

959439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 43740, while the sum is 39.

The square root of 959439 is about 979.5095711630. The cubic root of 959439 is about 98.6292633265.

The spelling of 959439 in words is "nine hundred fifty-nine thousand, four hundred thirty-nine".