2113606 has 16 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 953800.

The previous prime is 2113603. The next prime is 2113609. The reversal of 2113606 is 6063112.

It is an interprime number because it is at equal distance from previous prime (2113603) and next prime (2113609).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3951 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (217728).

2^2113606 is an apocalyptic number.

2113606 is a deficient number, since it is larger than the sum of its proper divisors (1370042).

2113606 is a wasteful number, since it uses less digits than its factorization.

2113606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2113606 is about 1453.8246111550. The cubic root of 2113606 is about 128.3338857944. Note that the first 3 decimals are identical.

Adding to 2113606 its reverse (6063112), we get a palindrome (8176718).

The spelling of 2113606 in words is "two million, one hundred thirteen thousand, six hundred six".