197950 has 24 divisors (see below), whose sum is σ = 381672. Its totient is φ = 76320.

The previous prime is 197947. The next prime is 197957. The reversal of 197950 is 59791.

197950 is digitally balanced in base 2, because in such base 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 (197957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1797 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (15903).

2¹⁹⁷⁹⁵⁰ is an apocalyptic number.

197950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197950 is a deficient number, since it is larger than the sum of its proper divisors (183722).

197950 is a wasteful number, since it uses less digits than its factorization.

197950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 197950 is about 444.9157223565. The cubic root of 197950 is about 58.2798602943.

The spelling of 197950 in words is "one hundred ninety-seven thousand, nine hundred fifty".