196558 has 8 divisors (see below), whose sum is σ = 307728. Its totient is φ = 93984.

The previous prime is 196549. The next prime is 196561. The reversal of 196558 is 855691.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (38466).

196558 is a Friedman number, since it can be written as (8^5-9)*6+5-1, using all its digits and the basic arithmetic operations.

2¹⁹⁶⁵⁵⁸ is an apocalyptic number.

196558 is a deficient number, since it is larger than the sum of its proper divisors (111170).

196558 is a wasteful number, since it uses less digits than its factorization.

196558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298.

The product of its digits is 10800, while the sum is 34.

The square root of 196558 is about 443.3486212903. The cubic root of 196558 is about 58.1429292976.

The spelling of 196558 in words is "one hundred ninety-six thousand, five hundred fifty-eight".