197744 has 20 divisors (see below), whose sum is σ = 406224. Its totient is φ = 92928.

The previous prime is 197741. The next prime is 197753. The reversal of 197744 is 447791.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 197744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92 + ... + 635.

2¹⁹⁷⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

197744 is an abundant number, since it is smaller than the sum of its proper divisors (208480).

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

197744 is a wasteful number, since it uses less digits than its factorization.

197744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 197744 is about 444.6841575770. The cubic root of 197744 is about 58.2596366381.

Subtracting 197744 from its reverse (447791), we obtain a cube (250047 = 63³).

The spelling of 197744 in words is "one hundred ninety-seven thousand, seven hundred forty-four".