2158258 has 8 divisors (see below), whose sum is σ = 3283200. Its totient is φ = 1063860.

The previous prime is 2158237. The next prime is 2158259. The reversal of 2158258 is 8528512.

2158258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2158259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7458 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (410400).

2^2158258 is an apocalyptic number.

2158258 is a deficient number, since it is larger than the sum of its proper divisors (1124942).

2158258 is a wasteful number, since it uses less digits than its factorization.

2158258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15272.

The product of its digits is 6400, while the sum is 31.

The square root of 2158258 is about 1469.1010856983. The cubic root of 2158258 is about 129.2313218223.

The spelling of 2158258 in words is "two million, one hundred fifty-eight thousand, two hundred fifty-eight".