190343 has 4 divisors (see below), whose sum is σ = 191928. Its totient is φ = 188760.

The previous prime is 190339. The next prime is 190357. The reversal of 190343 is 343091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190343 - 2² = 190339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (47982).

2¹⁹⁰³⁴³ is an apocalyptic number.

190343 is a deficient number, since it is larger than the sum of its proper divisors (1585).

190343 is a wasteful number, since it uses less digits than its factorization.

190343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 190343 is about 436.2831649285. The cubic root of 190343 is about 57.5235442334.

The spelling of 190343 in words is "one hundred ninety thousand, three hundred forty-three".