199446 has 16 divisors (see below), whose sum is σ = 429744. Its totient is φ = 61344.

The previous prime is 199429. The next prime is 199447. The reversal of 199446 is 644991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199447) by changing a digit.

199446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (26859).

2¹⁹⁹⁴⁴⁶ is an apocalyptic number.

199446 is an abundant number, since it is smaller than the sum of its proper divisors (230298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199446 is a wasteful number, since it uses less digits than its factorization.

199446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its digits is 7776, while the sum is 33.

The square root of 199446 is about 446.5937751469. The cubic root of 199446 is about 58.4263079694.

The spelling of 199446 in words is "one hundred ninety-nine thousand, four hundred forty-six".