197146 has 4 divisors (see below), whose sum is σ = 295722. Its totient is φ = 98572.
The previous prime is 197137. The next prime is 197147. The reversal of 197146 is 641791.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 189225 + 7921 = 435^2 + 89^2 .
It is not an unprimeable number, because it can be changed into a prime (197147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49285 + ... + 49288.
2197146 is an apocalyptic number.
197146 is a deficient number, since it is larger than the sum of its proper divisors (98576).
197146 is an equidigital number, since it uses as much as digits as its factorization.
197146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98575.
The product of its digits is 1512, while the sum is 28.
The square root of 197146 is about 444.0112611185. The cubic root of 197146 is about 58.2008494501.
It can be divided in two parts, 197 and 146, that added together give a palindrome (343).
The spelling of 197146 in words is "one hundred ninety-seven thousand, one hundred forty-six".
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