2011916 has 12 divisors (see below), whose sum is σ = 3728088. Its totient is φ = 946752.

The previous prime is 2011913. The next prime is 2011939. The reversal of 2011916 is 6191102.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2011913) 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 3 ways as a sum of consecutive naturals, for example, 14726 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (310674).

2^2011916 is an apocalyptic number.

It is an amenable number.

2011916 is a deficient number, since it is larger than the sum of its proper divisors (1716172).

2011916 is a wasteful number, since it uses less digits than its factorization.

2011916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29608 (or 29606 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2011916 is about 1418.4202480224. The cubic root of 2011916 is about 126.2418300108.

The spelling of 2011916 in words is "two million, eleven thousand, nine hundred sixteen".