2053830 has 32 divisors (see below), whose sum is σ = 4967424. Its totient is φ = 543456.

The previous prime is 2053819. The next prime is 2053837. The reversal of 2053830 is 383502.

It is a junction number, because it is equal to n+sod(n) for n = 2053797 and 2053806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053837) 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 15 ways as a sum of consecutive naturals, for example, 6537 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^2053830 is an apocalyptic number.

2053830 is an abundant number, since it is smaller than the sum of its proper divisors (2913594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2053830 is a wasteful number, since it uses less digits than its factorization.

2053830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2053830 is about 1433.1189762194. The cubic root of 2053830 is about 127.1124719233.

The spelling of 2053830 in words is "two million, fifty-three thousand, eight hundred thirty".