2112606 has 24 divisors (see below), whose sum is σ = 4605744. Its totient is φ = 699840.

The previous prime is 2112601. The next prime is 2112631. The reversal of 2112606 is 6062112.

It is a happy number.

It is a super-2 number, since 2×2112606² = 8926208222472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4095 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (191906).

2^2112606 is an apocalyptic number.

2112606 is an abundant number, since it is smaller than the sum of its proper divisors (2493138).

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

2112606 is a wasteful number, since it uses less digits than its factorization.

2112606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2112606 is about 1453.4806500260. The cubic root of 2112606 is about 128.3136432751.

Adding to 2112606 its reverse (6062112), we get a palindrome (8174718).

The spelling of 2112606 in words is "two million, one hundred twelve thousand, six hundred six".