2112894 has 48 divisors (see below), whose sum is σ = 5372640. Its totient is φ = 587520.

The previous prime is 2112893. The next prime is 2112919. The reversal of 2112894 is 4982112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4962 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (111930).

2^2112894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2686320).

2112894 is an abundant number, since it is smaller than the sum of its proper divisors (3259746).

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

2112894 is a wasteful number, since it uses less digits than its factorization.

2112894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 462 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2112894 is about 1453.5797191761. The cubic root of 2112894 is about 128.3194737755.

It can be divided in two parts, 2 and 112894, that added together give a square (112896 = 336²).

The spelling of 2112894 in words is "two million, one hundred twelve thousand, eight hundred ninety-four".