197634 has 8 divisors (see below), whose sum is σ = 395280. Its totient is φ = 65876.

The previous prime is 197621. The next prime is 197641. The reversal of 197634 is 436791.

It is a happy number.

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

197634 is an admirable number.

It is an unprimeable number.

197634 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16464 + ... + 16475.

It is an arithmetic number, because the mean of its divisors is an integer number (49410).

2¹⁹⁷⁶³⁴ is an apocalyptic number.

197634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197634 is a wasteful number, since it uses less digits than its factorization.

197634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32944.

The product of its digits is 4536, while the sum is 30.

The square root of 197634 is about 444.5604570809. The cubic root of 197634 is about 58.2488318455.

The spelling of 197634 in words is "one hundred ninety-seven thousand, six hundred thirty-four".