197604 has 36 divisors (see below), whose sum is σ = 546000. Its totient is φ = 59760.

The previous prime is 197599. The next prime is 197609. The reversal of 197604 is 406791.

It is an interprime number because it is at equal distance from previous prime (197599) and next prime (197609).

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (197609) 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, 147 + ... + 645.

2¹⁹⁷⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273000).

197604 is an abundant number, since it is smaller than the sum of its proper divisors (348396).

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

197604 is a wasteful number, since it uses less digits than its factorization.

197604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 197604 is about 444.5267146078. The cubic root of 197604 is about 58.2458843881.

The spelling of 197604 in words is "one hundred ninety-seven thousand, six hundred four".