197944130 has 16 divisors (see below), whose sum is σ = 361618560. Its totient is φ = 77995632.

The previous prime is 197944121. The next prime is 197944133. The reversal of 197944130 is 31449791.

It is not an unprimeable number, because it can be changed into a prime (197944133) 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 7 ways as a sum of consecutive naturals, for example, 147050 + ... + 148389.

It is an arithmetic number, because the mean of its divisors is an integer number (22601160).

Almost surely, 2^197944130 is an apocalyptic number.

197944130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197944130 is a deficient number, since it is larger than the sum of its proper divisors (163674430).

197944130 is a wasteful number, since it uses less digits than its factorization.

197944130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295513.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 197944130 is about 14069.2618854011. The cubic root of 197944130 is about 582.7928421255.

The spelling of 197944130 in words is "one hundred ninety-seven million, nine hundred forty-four thousand, one hundred thirty".