199446692 has 12 divisors (see below), whose sum is σ = 349149276. Its totient is φ = 99689760.

The previous prime is 199446671. The next prime is 199446697. The reversal of 199446692 is 296644991.

It can be written as a sum of positive squares in 2 ways, for example, as 181333156 + 18113536 = 13466^2 + 4256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 199446692.

It is not an unprimeable number, because it can be changed into a prime (199446697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8942 + ... + 21882.

It is an arithmetic number, because the mean of its divisors is an integer number (29095773).

Almost surely, 2^199446692 is an apocalyptic number.

It is an amenable number.

199446692 is a deficient number, since it is larger than the sum of its proper divisors (149702584).

199446692 is a wasteful number, since it uses less digits than its factorization.

199446692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16798 (or 16796 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 199446692 is about 14122.5596830036. The cubic root of 199446692 is about 584.2637554150.

The spelling of 199446692 in words is "one hundred ninety-nine million, four hundred forty-six thousand, six hundred ninety-two".