2058865 has 16 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 1546560.

The previous prime is 2058857. The next prime is 2058869. The reversal of 2058865 is 5688502.

It is not a de Polignac number, because 2058865 - 2³ = 2058857 is a prime.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 2058865.

It is not an unprimeable number, because it can be changed into a prime (2058869) 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, 5556 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^2058865 is an apocalyptic number.

It is an amenable number.

2058865 is a deficient number, since it is larger than the sum of its proper divisors (567695).

2058865 is a wasteful number, since it uses less digits than its factorization.

2058865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2058865 is about 1434.8745589772. The cubic root of 2058865 is about 127.2162599693.

It can be divided in two parts, 20 and 58865, that added together give a palindrome (58885).

The spelling of 2058865 in words is "two million, fifty-eight thousand, eight hundred sixty-five".