2053816 has 16 divisors (see below), whose sum is σ = 3879000. Its totient is φ = 1019424.

The previous prime is 2053811. The next prime is 2053819. The reversal of 2053816 is 6183502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331 + ... + 2053.

2^2053816 is an apocalyptic number.

It is an amenable number.

2053816 is a deficient number, since it is larger than the sum of its proper divisors (1825184).

2053816 is a wasteful number, since it uses less digits than its factorization.

2053816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2053816 is about 1433.1140917596. The cubic root of 2053816 is about 127.1121831005.

The spelling of 2053816 in words is "two million, fifty-three thousand, eight hundred sixteen".