2851656 has 16 divisors (see below), whose sum is σ = 7129200. Its totient is φ = 950544.

The previous prime is 2851643. The next prime is 2851661. The reversal of 2851656 is 6561582.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59386 + ... + 59433.

It is an arithmetic number, because the mean of its divisors is an integer number (445575).

2^2851656 is an apocalyptic number.

It is an amenable number.

2851656 is an abundant number, since it is smaller than the sum of its proper divisors (4277544).

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

2851656 is a wasteful number, since it uses less digits than its factorization.

2851656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118828 (or 118824 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 2851656 is about 1688.6846952584. The cubic root of 2851656 is about 141.8074491310.

The spelling of 2851656 in words is "two million, eight hundred fifty-one thousand, six hundred fifty-six".