197730964 has 12 divisors (see below), whose sum is σ = 346568544. Its totient is φ = 98711384.

The previous prime is 197730943. The next prime is 197730979. The reversal of 197730964 is 469037791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35614 + ... + 40789.

It is an arithmetic number, because the mean of its divisors is an integer number (28880712).

Almost surely, 2^197730964 is an apocalyptic number.

It is an amenable number.

197730964 is a deficient number, since it is larger than the sum of its proper divisors (148837580).

197730964 is a wasteful number, since it uses less digits than its factorization.

197730964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77054 (or 77052 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 197730964 is about 14061.6842518953. The cubic root of 197730964 is about 582.5835638127.

The spelling of 197730964 in words is "one hundred ninety-seven million, seven hundred thirty thousand, nine hundred sixty-four".