2798890 has 16 divisors (see below), whose sum is σ = 5303520. Its totient is φ = 1060560.

The previous prime is 2798869. The next prime is 2798899. The reversal of 2798890 is 988972.

2798890 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 (2798899) 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, 7176 + ... + 7555.

It is an arithmetic number, because the mean of its divisors is an integer number (331470).

2^2798890 is an apocalyptic number.

2798890 is a deficient number, since it is larger than the sum of its proper divisors (2504630).

2798890 is a wasteful number, since it uses less digits than its factorization.

2798890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14757.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2798890 is about 1672.9883442511. The cubic root of 2798890 is about 140.9273471758.

The spelling of 2798890 in words is "two million, seven hundred ninety-eight thousand, eight hundred ninety".