198923150 has 24 divisors (see below), whose sum is σ = 370382544. Its totient is φ = 79486400.

The previous prime is 198923149. The next prime is 198923173. The reversal of 198923150 is 51329891.

198923150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74234 + ... + 76866.

It is an arithmetic number, because the mean of its divisors is an integer number (15432606).

Almost surely, 2^198923150 is an apocalyptic number.

198923150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198923150 is a deficient number, since it is larger than the sum of its proper divisors (171459394).

198923150 is a wasteful number, since it uses less digits than its factorization.

198923150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156 (or 4151 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 198923150 is about 14104.0118406076. The cubic root of 198923150 is about 583.7520820936.

The spelling of 198923150 in words is "one hundred ninety-eight million, nine hundred twenty-three thousand, one hundred fifty".