2889278 has 16 divisors (see below), whose sum is σ = 5059584. Its totient is φ = 1211640.

The previous prime is 2889277. The next prime is 2889287. The reversal of 2889278 is 8729882.

2889278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2889278² = 16695854722568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889277) 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, 1538 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (316224).

2^2889278 is an apocalyptic number.

2889278 is a deficient number, since it is larger than the sum of its proper divisors (2170306).

2889278 is a wasteful number, since it uses less digits than its factorization.

2889278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447.

The product of its digits is 129024, while the sum is 44.

The square root of 2889278 is about 1699.7876337943. The cubic root of 2889278 is about 142.4283501502.

The spelling of 2889278 in words is "two million, eight hundred eighty-nine thousand, two hundred seventy-eight".