2019916 has 12 divisors (see below), whose sum is σ = 3588088. Its totient is φ = 994752.

The previous prime is 2019911. The next prime is 2019931. The reversal of 2019916 is 6199102.

It is not an unprimeable number, because it can be changed into a prime (2019911) 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, 3501 + ... + 4036.

2^2019916 is an apocalyptic number.

It is an amenable number.

2019916 is a deficient number, since it is larger than the sum of its proper divisors (1568172).

2019916 is a wasteful number, since it uses less digits than its factorization.

2019916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608 (or 7606 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2019916 is about 1421.2374889511. The cubic root of 2019916 is about 126.4089342347.

The spelling of 2019916 in words is "two million, nineteen thousand, nine hundred sixteen".