2856132 has 18 divisors (see below), whose sum is σ = 7219758. Its totient is φ = 952032.

The previous prime is 2856121. The next prime is 2856149. The reversal of 2856132 is 2316582.

It can be written as a sum of positive squares in only one way, i.e., 1887876 + 968256 = 1374^2 + 984^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2856096 and 2856105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39633 + ... + 39704.

2^2856132 is an apocalyptic number.

It is an amenable number.

2856132 is an abundant number, since it is smaller than the sum of its proper divisors (4363626).

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

2856132 is a wasteful number, since it uses less digits than its factorization.

2856132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79347 (or 79342 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2856132 is about 1690.0094674291. The cubic root of 2856132 is about 141.8816046787.

The spelling of 2856132 in words is "two million, eight hundred fifty-six thousand, one hundred thirty-two".