196858 has 4 divisors (see below), whose sum is σ = 295290. Its totient is φ = 98428.

The previous prime is 196853. The next prime is 196871. The reversal of 196858 is 858691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 149769 + 47089 = 387^2 + 217^2 .

It is not an unprimeable number, because it can be changed into a prime (196853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49213 + ... + 49216.

2¹⁹⁶⁸⁵⁸ is an apocalyptic number.

196858 is a deficient number, since it is larger than the sum of its proper divisors (98432).

196858 is an equidigital number, since it uses as much as digits as its factorization.

196858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98431.

The product of its digits is 17280, while the sum is 37.

The square root of 196858 is about 443.6868264891. The cubic root of 196858 is about 58.1724948070.

The spelling of 196858 in words is "one hundred ninety-six thousand, eight hundred fifty-eight".