199031804 has 12 divisors (see below), whose sum is σ = 348404784. Its totient is φ = 99487584.

The previous prime is 199031803. The next prime is 199031809. The reversal of 199031804 is 408130991.

It is a super-2 number, since 2×199031804² = 79227318006988832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199031803) 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, 22049 + ... + 29735.

It is an arithmetic number, because the mean of its divisors is an integer number (29033732).

Almost surely, 2^199031804 is an apocalyptic number.

It is an amenable number.

199031804 is a deficient number, since it is larger than the sum of its proper divisors (149372980).

199031804 is a wasteful number, since it uses less digits than its factorization.

199031804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14164 (or 14162 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 199031804 is about 14107.8631975222. The cubic root of 199031804 is about 583.8583466721.

The spelling of 199031804 in words is "one hundred ninety-nine million, thirty-one thousand, eight hundred four".