215058 has 16 divisors (see below), whose sum is σ = 436896. Its totient is φ = 70560.

The previous prime is 215051. The next prime is 215063. The reversal of 215058 is 850512.

It is not an unprimeable number, because it can be changed into a prime (215051) by changing a digit.

215058 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (27306).

2²¹⁵⁰⁵⁸ is an apocalyptic number.

215058 is an abundant number, since it is smaller than the sum of its proper divisors (221838).

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

215058 is a wasteful number, since it uses less digits than its factorization.

215058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 215058 is about 463.7434635658. The cubic root of 215058 is about 59.9126506744.

The spelling of 215058 in words is "two hundred fifteen thousand, fifty-eight".