199058 has 4 divisors (see below), whose sum is σ = 298590. Its totient is φ = 99528.

The previous prime is 199049. The next prime is 199081. The reversal of 199058 is 850991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850991 = 19 ⋅44789.

It can be written as a sum of positive squares in only one way, i.e., 196249 + 2809 = 443^2 + 53^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49763 + ... + 49766.

2¹⁹⁹⁰⁵⁸ is an apocalyptic number.

199058 is a deficient number, since it is larger than the sum of its proper divisors (99532).

199058 is an equidigital number, since it uses as much as digits as its factorization.

199058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99531.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 199058 is about 446.1591644245. The cubic root of 199058 is about 58.3883960807.

It can be divided in two parts, 1990 and 58, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 199058 in words is "one hundred ninety-nine thousand, fifty-eight".