2851272 has 36 divisors (see below), whose sum is σ = 7761195. Its totient is φ = 945648.

The previous prime is 2851267. The next prime is 2851313. The reversal of 2851272 is 2721582.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1425636 + 1425636 = 1194^2 + 1194^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1194.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14229 + ... + 14427.

2^2851272 is an apocalyptic number.

It is an amenable number.

2851272 is an abundant number, since it is smaller than the sum of its proper divisors (4909923).

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

2851272 is a wasteful number, since it uses less digits than its factorization.

2851272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 204 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2851272 is about 1688.5709934735. The cubic root of 2851272 is about 141.8010836478.

The spelling of 2851272 in words is "two million, eight hundred fifty-one thousand, two hundred seventy-two".