852439 has 8 divisors (see below), whose sum is σ = 995328. Its totient is φ = 714840.

The previous prime is 852437. The next prime is 852457. The reversal of 852439 is 934258.

852439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 852439 - 2¹ = 852437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2⁸⁵²⁴³⁹ is an apocalyptic number.

852439 is a deficient number, since it is larger than the sum of its proper divisors (142889).

852439 is a wasteful number, since it uses less digits than its factorization.

852439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its digits is 8640, while the sum is 31.

The square root of 852439 is about 923.2762316880. The cubic root of 852439 is about 94.8173406178.

The spelling of 852439 in words is "eight hundred fifty-two thousand, four hundred thirty-nine".