199482943 has 4 divisors (see below), whose sum is σ = 217617768. Its totient is φ = 181348120.

The previous prime is 199482911. The next prime is 199482961. The reversal of 199482943 is 349284991.

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 199482943 - 2⁵ = 199482911 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 (199482443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9067396 + ... + 9067417.

It is an arithmetic number, because the mean of its divisors is an integer number (54404442).

Almost surely, 2^199482943 is an apocalyptic number.

199482943 is a deficient number, since it is larger than the sum of its proper divisors (18134825).

199482943 is a wasteful number, since it uses less digits than its factorization.

199482943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18134824.

The product of its digits is 559872, while the sum is 49.

The square root of 199482943 is about 14123.8430676640. The cubic root of 199482943 is about 584.2991514433.

The spelling of 199482943 in words is "one hundred ninety-nine million, four hundred eighty-two thousand, nine hundred forty-three".