199466 has 4 divisors (see below), whose sum is σ = 299202. Its totient is φ = 99732.

The previous prime is 199457. The next prime is 199483. The reversal of 199466 is 664991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664991 = 53 ⋅12547.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 73441 = 355^2 + 271^2 .

It is a Curzon number.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49865 + ... + 49868.

2¹⁹⁹⁴⁶⁶ is an apocalyptic number.

199466 is a deficient number, since it is larger than the sum of its proper divisors (99736).

199466 is an equidigital number, since it uses as much as digits as its factorization.

199466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99735.

The product of its digits is 11664, while the sum is 35.

The square root of 199466 is about 446.6161662994. The cubic root of 199466 is about 58.4282608574.

The spelling of 199466 in words is "one hundred ninety-nine thousand, four hundred sixty-six".