2112378 has 16 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 700640.

The previous prime is 2112353. The next prime is 2112413. The reversal of 2112378 is 8732112.

2112378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 1 + 2¹³ + 3⁸ + 7³ + 8⁷ .

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, 643 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

2^2112378 is an apocalyptic number.

2112378 is an abundant number, since it is smaller than the sum of its proper divisors (2133318).

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

2112378 is a wasteful number, since it uses less digits than its factorization.

2112378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its digits is 672, while the sum is 24.

The square root of 2112378 is about 1453.4022154930. The cubic root of 2112378 is about 128.3090270865.

The spelling of 2112378 in words is "two million, one hundred twelve thousand, three hundred seventy-eight".