2289894 has 16 divisors (see below), whose sum is σ = 4638720. Its totient is φ = 753480.

The previous prime is 2289871. The next prime is 2289901. The reversal of 2289894 is 4989822.

2289894 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 2×2289894² = 10487229062472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1942 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (289920).

2^2289894 is an apocalyptic number.

2289894 is an abundant number, since it is smaller than the sum of its proper divisors (2348826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289894 is a wasteful number, since it uses less digits than its factorization.

2289894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915.

The product of its digits is 82944, while the sum is 42.

The square root of 2289894 is about 1513.2395712510. The cubic root of 2289894 is about 131.8069952529.

The spelling of 2289894 in words is "two million, two hundred eighty-nine thousand, eight hundred ninety-four".