852856620 has 192 divisors, whose sum is σ = 2991292416. Its totient is φ = 176382720.

The previous prime is 852856619. The next prime is 852856633. The reversal of 852856620 is 26658258.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1695289 + ... + 1695791.

It is an arithmetic number, because the mean of its divisors is an integer number (15579648).

Almost surely, 2^852856620 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 852856620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495646208).

852856620 is an abundant number, since it is smaller than the sum of its proper divisors (2138435796).

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

852856620 is a wasteful number, since it uses less digits than its factorization.

852856620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 852856620 is about 29203.7090110143. The cubic root of 852856620 is about 948.3282213731.

The spelling of 852856620 in words is "eight hundred fifty-two million, eight hundred fifty-six thousand, six hundred twenty".