2112638 has 16 divisors (see below), whose sum is σ = 3492720. Its totient is φ = 950400.

The previous prime is 2112631. The next prime is 2112683. The reversal of 2112638 is 8362112.

2112638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112631) 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, 1958 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (218295).

2^2112638 is an apocalyptic number.

2112638 is a deficient number, since it is larger than the sum of its proper divisors (1380082).

2112638 is a wasteful number, since it uses less digits than its factorization.

2112638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 576, while the sum is 23.

The square root of 2112638 is about 1453.4916580428. The cubic root of 2112638 is about 128.3142911347.

The spelling of 2112638 in words is "two million, one hundred twelve thousand, six hundred thirty-eight".