2116644 has 24 divisors (see below), whose sum is σ = 5154240. Its totient is φ = 674784.

The previous prime is 2116633. The next prime is 2116651. The reversal of 2116644 is 4466112.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3559 + ... + 4110.

It is an arithmetic number, because the mean of its divisors is an integer number (214760).

2^2116644 is an apocalyptic number.

It is an amenable number.

2116644 is an abundant number, since it is smaller than the sum of its proper divisors (3037596).

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

2116644 is a wasteful number, since it uses less digits than its factorization.

2116644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7699 (or 7697 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2116644 is about 1454.8690662737. The cubic root of 2116644 is about 128.3953434322.

The spelling of 2116644 in words is "two million, one hundred sixteen thousand, six hundred forty-four".