2109716 has 12 divisors (see below), whose sum is σ = 4219488. Its totient is φ = 904152.

The previous prime is 2109707. The next prime is 2109727. The reversal of 2109716 is 6179012.

2109716 is an admirable number.

It is an Ulam number.

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, 37646 + ... + 37701.

It is an arithmetic number, because the mean of its divisors is an integer number (351624).

2^2109716 is an apocalyptic number.

It is an amenable number.

2109716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2109716 is a wasteful number, since it uses less digits than its factorization.

2109716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75358 (or 75356 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2109716 is about 1452.4861445122. The cubic root of 2109716 is about 128.2551064645.

The spelling of 2109716 in words is "two million, one hundred nine thousand, seven hundred sixteen".