852040 has 64 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 273408.

The previous prime is 852037. The next prime is 852079. The reversal of 852040 is 40258.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 851999 and 852017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2⁸⁵²⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166400).

852040 is an abundant number, since it is smaller than the sum of its proper divisors (1480760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852040 is a wasteful number, since it uses less digits than its factorization.

852040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 852040 is about 923.0601280523. The cubic root of 852040 is about 94.8025446331.

Adding to 852040 its reverse (40258), we get a palindrome (892298).

The spelling of 852040 in words is "eight hundred fifty-two thousand, forty".