197308 has 12 divisors (see below), whose sum is σ = 349272. Its totient is φ = 97520.

The previous prime is 197299. The next prime is 197311. The reversal of 197308 is 803791.

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, 198 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (29106).

2¹⁹⁷³⁰⁸ is an apocalyptic number.

It is an amenable number.

197308 is a deficient number, since it is larger than the sum of its proper divisors (151964).

197308 is a wasteful number, since it uses less digits than its factorization.

197308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 197308 is about 444.1936514630. The cubic root of 197308 is about 58.2167868032.

It can be divided in two parts, 197 and 308, that added together give a palindrome (505).

The spelling of 197308 in words is "one hundred ninety-seven thousand, three hundred eight".