199823804 has 12 divisors (see below), whose sum is σ = 361750200. Its totient is φ = 96466608.

The previous prime is 199823801. The next prime is 199823807. The reversal of 199823804 is 408328991.

It is a happy number.

199823804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199823801) and next prime (199823807).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199823801) 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, 861194 + ... + 861425.

It is an arithmetic number, because the mean of its divisors is an integer number (30145850).

Almost surely, 2^199823804 is an apocalyptic number.

It is an amenable number.

199823804 is a deficient number, since it is larger than the sum of its proper divisors (161926396).

199823804 is a wasteful number, since it uses less digits than its factorization.

199823804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722652 (or 1722650 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 199823804 is about 14135.9047817959. The cubic root of 199823804 is about 584.6317637768.

The spelling of 199823804 in words is "one hundred ninety-nine million, eight hundred twenty-three thousand, eight hundred four".