199433 has 12 divisors (see below), whose sum is σ = 232260. Its totient is φ = 170016.

The previous prime is 199429. The next prime is 199447. The reversal of 199433 is 334991.

It can be written as a sum of positive squares in 2 ways, for example, as 64009 + 135424 = 253^2 + 368^2 .

It is not a de Polignac number, because 199433 - 2² = 199429 is a prime.

It is a super-3 number, since 3×199433³ = 23796458133347211, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199396 and 199405.

It is not an unprimeable number, because it can be changed into a prime (199403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6863 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (19355).

2¹⁹⁹⁴³³ is an apocalyptic number.

199433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

199433 is a deficient number, since it is larger than the sum of its proper divisors (32827).

199433 is a wasteful number, since it uses less digits than its factorization.

199433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 65 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

The square root of 199433 is about 446.5792202958. The cubic root of 199433 is about 58.4250385222.

The spelling of 199433 in words is "one hundred ninety-nine thousand, four hundred thirty-three".