2116604 has 18 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 907032.

The previous prime is 2116601. The next prime is 2116607. The reversal of 2116604 is 4066112.

It is a happy number.

2116604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2116601) and next prime (2116607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116601) 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 5 ways as a sum of consecutive naturals, for example, 5204 + ... + 5595.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

2^2116604 is an apocalyptic number.

It is an amenable number.

2116604 is an abundant number, since it is smaller than the sum of its proper divisors (2192596).

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

2116604 is a wasteful number, since it uses less digits than its factorization.

2116604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10817 (or 10808 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2116604 is about 1454.8553192672. The cubic root of 2116604 is about 128.3945346289.

The spelling of 2116604 in words is "two million, one hundred sixteen thousand, six hundred four".