2116764 has 36 divisors (see below), whose sum is σ = 5763576. Its totient is φ = 651168.

The previous prime is 2116757. The next prime is 2116783. The reversal of 2116764 is 4676112.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1794 + ... + 2729.

2^2116764 is an apocalyptic number.

It is an amenable number.

2116764 is an abundant number, since it is smaller than the sum of its proper divisors (3646812).

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

2116764 is a wasteful number, since it uses less digits than its factorization.

2116764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4541 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2116764 is about 1454.9103065138. The cubic root of 2116764 is about 128.3977697810.

The spelling of 2116764 in words is "two million, one hundred sixteen thousand, seven hundred sixty-four".