197630 has 8 divisors (see below), whose sum is σ = 355752. Its totient is φ = 79048.

The previous prime is 197621. The next prime is 197641. The reversal of 197630 is 36791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197630.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197630.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9872 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (44469).

2¹⁹⁷⁶³⁰ is an apocalyptic number.

197630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197630 is a deficient number, since it is larger than the sum of its proper divisors (158122).

197630 is a wasteful number, since it uses less digits than its factorization.

197630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19770.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 197630 is about 444.5559582325. Note that the first 3 decimals coincide. The cubic root of 197630 is about 58.2484388684.

The spelling of 197630 in words is "one hundred ninety-seven thousand, six hundred thirty".