2071916 has 54 divisors (see below), whose sum is σ = 4754484. Its totient is φ = 781200.

The previous prime is 2071913. The next prime is 2071921. The reversal of 2071916 is 6191702.

It is a super-2 number, since 2×2071916² = 8585671822112, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2071913) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66821 + ... + 66851.

It is an arithmetic number, because the mean of its divisors is an integer number (88046).

2^2071916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2071916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2377242).

2071916 is an abundant number, since it is smaller than the sum of its proper divisors (2682568).

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

2071916 is a wasteful number, since it uses less digits than its factorization.

2071916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 51 counting only the distinct ones).

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

The square root of 2071916 is about 1439.4151590142. The cubic root of 2071916 is about 127.4844989485.

The spelling of 2071916 in words is "two million, seventy-one thousand, nine hundred sixteen".