199445006 has 32 divisors (see below), whose sum is σ = 324656640. Its totient is φ = 91609056.

The previous prime is 199444913. The next prime is 199445009. The reversal of 199445006 is 600544991.

199445006 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199445009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409295 + ... + 409781.

It is an arithmetic number, because the mean of its divisors is an integer number (10145520).

Almost surely, 2^199445006 is an apocalyptic number.

It is a pronic number, being equal to 14122×14123.

199445006 is a deficient number, since it is larger than the sum of its proper divisors (125211634).

199445006 is a wasteful number, since it uses less digits than its factorization.

199445006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 199445006 is about 14122.4999911489. The cubic root of 199445006 is about 584.2621090745.

Adding to 199445006 its reverse (600544991), we get a palindrome (799989997).

The spelling of 199445006 in words is "one hundred ninety-nine million, four hundred forty-five thousand, six".