2750890 has 16 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 1094800.

The previous prime is 2750861. The next prime is 2750893. The reversal of 2750890 is 980572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750893) 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 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

2^2750890 is an apocalyptic number.

2750890 is a deficient number, since it is larger than the sum of its proper divisors (2225750).

2750890 is a wasteful number, since it uses less digits than its factorization.

2750890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2750890 is about 1658.5807185663. The cubic root of 2750890 is about 140.1170789329.

The spelling of 2750890 in words is "two million, seven hundred fifty thousand, eight hundred ninety".