2113616 has 20 divisors (see below), whose sum is σ = 4166400. Its totient is φ = 1038432.

The previous prime is 2113609. The next prime is 2113651. The reversal of 2113616 is 6163112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (208320).

2^2113616 is an apocalyptic number.

It is an amenable number.

2113616 is a deficient number, since it is larger than the sum of its proper divisors (2052784).

2113616 is a wasteful number, since it uses less digits than its factorization.

2113616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2300 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 2113616 is about 1453.8280503553. The cubic root of 2113616 is about 128.3340881873.

Adding to 2113616 its reverse (6163112), we get a palindrome (8276728).

The spelling of 2113616 in words is "two million, one hundred thirteen thousand, six hundred sixteen".