2856852 has 18 divisors (see below), whose sum is σ = 7221578. Its totient is φ = 952272.

The previous prime is 2856823. The next prime is 2856857. The reversal of 2856852 is 2586582.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 404496 = 1566^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 79357 = 2856852 / (2 + 8 + 5 + 6 + 8 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39643 + ... + 39714.

2^2856852 is an apocalyptic number.

It is an amenable number.

2856852 is an abundant number, since it is smaller than the sum of its proper divisors (4364726).

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

2856852 is a wasteful number, since it uses less digits than its factorization.

2856852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79367 (or 79362 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2856852 is about 1690.2224705642. Note that the first 3 decimals coincide. The cubic root of 2856852 is about 141.8935259499.

The spelling of 2856852 in words is "two million, eight hundred fifty-six thousand, eight hundred fifty-two".