2806275 has 48 divisors (see below), whose sum is σ = 5142528. Its totient is φ = 1344000.

The previous prime is 2806267. The next prime is 2806277. The reversal of 2806275 is 5726082.

It is not a de Polignac number, because 2806275 - 2³ = 2806267 is a prime.

2806275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2806277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39490 + ... + 39560.

It is an arithmetic number, because the mean of its divisors is an integer number (107136).

2^2806275 is an apocalyptic number.

2806275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2806275 is a deficient number, since it is larger than the sum of its proper divisors (2336253).

2806275 is a wasteful number, since it uses less digits than its factorization.

2806275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2806275 is about 1675.1940186140. The cubic root of 2806275 is about 141.0511860839.

It can be divided in two parts, 2806 and 275, that added together give a triangular number (3081 = T₇₈).

The spelling of 2806275 in words is "two million, eight hundred six thousand, two hundred seventy-five".