199436 has 12 divisors (see below), whose sum is σ = 354312. Its totient is φ = 98208.

The previous prime is 199429. The next prime is 199447. The reversal of 199436 is 634991.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 199436.

It is an unprimeable number.

199436 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 633.

It is an arithmetic number, because the mean of its divisors is an integer number (29526).

2¹⁹⁹⁴³⁶ is an apocalyptic number.

It is an amenable number.

199436 is a deficient number, since it is larger than the sum of its proper divisors (154876).

199436 is a wasteful number, since it uses less digits than its factorization.

199436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 199436 is about 446.5825791497. The cubic root of 199436 is about 58.4253314764.

The spelling of 199436 in words is "one hundred ninety-nine thousand, four hundred thirty-six".