199459 has 8 divisors (see below), whose sum is σ = 218960. Its totient is φ = 180576.

The previous prime is 199457. The next prime is 199483. The reversal of 199459 is 954991.

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

It is a cyclic number.

It is not a de Polignac number, because 199459 - 2¹ = 199457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (27370).

2¹⁹⁹⁴⁵⁹ is an apocalyptic number.

199459 is a deficient number, since it is larger than the sum of its proper divisors (19501).

199459 is a wasteful number, since it uses less digits than its factorization.

199459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 14580, while the sum is 37.

The square root of 199459 is about 446.6083295238. The cubic root of 199459 is about 58.4275773614.

The spelling of 199459 in words is "one hundred ninety-nine thousand, four hundred fifty-nine".