197442 has 24 divisors (see below), whose sum is σ = 489216. Its totient is φ = 56376.

The previous prime is 197441. The next prime is 197453. The reversal of 197442 is 244791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197441) 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, 658 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (20384).

2¹⁹⁷⁴⁴² is an apocalyptic number.

197442 is an abundant number, since it is smaller than the sum of its proper divisors (291774).

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

197442 is a wasteful number, since it uses less digits than its factorization.

197442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1579 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 197442 is about 444.3444609759. The cubic root of 197442 is about 58.2299629611.

It can be divided in two parts, 1974 and 42, that added together give a triangular number (2016 = T₆₃).

The spelling of 197442 in words is "one hundred ninety-seven thousand, four hundred forty-two".