2058905 has 8 divisors (see below), whose sum is σ = 2478600. Its totient is φ = 1641856.

The previous prime is 2058899. The next prime is 2058919. The reversal of 2058905 is 5098502.

It can be written as a sum of positive squares in 4 ways, for example, as 868624 + 1190281 = 932^2 + 1091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2058905 - 2⁶ = 2058841 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (309825).

2^2058905 is an apocalyptic number.

It is an amenable number.

2058905 is a deficient number, since it is larger than the sum of its proper divisors (419695).

2058905 is an equidigital number, since it uses as much as digits as its factorization.

2058905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2058905 is about 1434.8884974102. Note that the first 3 decimals coincide. The cubic root of 2058905 is about 127.2170838241.

The spelling of 2058905 in words is "two million, fifty-eight thousand, nine hundred five".