2750806 has 8 divisors (see below), whose sum is σ = 4204224. Its totient is φ = 1349400.

The previous prime is 2750791. The next prime is 2750809. The reversal of 2750806 is 6080572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12870 + ... + 13081.

It is an arithmetic number, because the mean of its divisors is an integer number (525528).

2^2750806 is an apocalyptic number.

2750806 is a deficient number, since it is larger than the sum of its proper divisors (1453418).

2750806 is a wasteful number, since it uses less digits than its factorization.

2750806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26006.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2750806 is about 1658.5553955174. Note that the first 3 decimals coincide. The cubic root of 2750806 is about 140.1156527333.

The spelling of 2750806 in words is "two million, seven hundred fifty thousand, eight hundred six".