2058858 has 40 divisors (see below), whose sum is σ = 4704480. Its totient is φ = 672840.

The previous prime is 2058857. The next prime is 2058869. The reversal of 2058858 is 8588502.

2058858 is a `hidden beast` number, since 20 + 588 + 58 = 666.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (2058851) 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 19 ways as a sum of consecutive naturals, for example, 11413 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (117612).

2^2058858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2058858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352240).

2058858 is an abundant number, since it is smaller than the sum of its proper divisors (2645622).

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

2058858 is a wasteful number, since it uses less digits than its factorization.

2058858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 2058858 is about 1434.8721197375. The cubic root of 2058858 is about 127.2161157936.

It can be divided in two parts, 2058 and 858, that added together give a square (2916 = 54²).

The spelling of 2058858 in words is "two million, fifty-eight thousand, eight hundred fifty-eight".