2065816 has 16 divisors (see below), whose sum is σ = 3929040. Its totient is φ = 1018080.

The previous prime is 2065807. The next prime is 2065829. The reversal of 2065816 is 6185602.

It is a congruent number.

It is an unprimeable number.

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, 1251 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (245565).

2^2065816 is an apocalyptic number.

It is an amenable number.

2065816 is a deficient number, since it is larger than the sum of its proper divisors (1863224).

2065816 is a wasteful number, since it uses less digits than its factorization.

2065816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2065816 is about 1437.2946809893. The cubic root of 2065816 is about 127.3592654499.

The spelling of 2065816 in words is "two million, sixty-five thousand, eight hundred sixteen".