2100606 has 16 divisors (see below), whose sum is σ = 4261248. Its totient is φ = 690200.

The previous prime is 2100589. The next prime is 2100607. The reversal of 2100606 is 6060012.

2100606 is a modest number, since divided by 606 gives 210 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (266328).

2^2100606 is an apocalyptic number.

2100606 is an abundant number, since it is smaller than the sum of its proper divisors (2160642).

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

2100606 is a wasteful number, since it uses less digits than its factorization.

2100606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2100606 is about 1449.3467494013. The cubic root of 2100606 is about 128.0702332660.

Adding to 2100606 its reverse (6060012), we get a palindrome (8160618).

The spelling of 2100606 in words is "two million, one hundred thousand, six hundred six".