2730890 has 16 divisors (see below), whose sum is σ = 4936032. Its totient is φ = 1087824.

The previous prime is 2730869. The next prime is 2730899. The reversal of 2730890 is 980372.

2730890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2730899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3077 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (308502).

2^2730890 is an apocalyptic number.

2730890 is a deficient number, since it is larger than the sum of its proper divisors (2205142).

2730890 is a wasteful number, since it uses less digits than its factorization.

2730890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2730890 is about 1652.5404684909. The cubic root of 2730890 is about 139.7766847937.

The spelling of 2730890 in words is "two million, seven hundred thirty thousand, eight hundred ninety".