2119816 has 8 divisors (see below), whose sum is σ = 3974670. Its totient is φ = 1059904.

The previous prime is 2119783. The next prime is 2119829. The reversal of 2119816 is 6189112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 28900 = 1446^2 + 170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132481 + ... + 132496.

2^2119816 is an apocalyptic number.

It is an amenable number.

2119816 is a deficient number, since it is larger than the sum of its proper divisors (1854854).

2119816 is a wasteful number, since it uses less digits than its factorization.

2119816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264983 (or 264979 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 2119816 is about 1455.9587906256. The cubic root of 2119816 is about 128.4594491193.

The spelling of 2119816 in words is "two million, one hundred nineteen thousand, eight hundred sixteen".