192897 has 6 divisors (see below), whose sum is σ = 278642. Its totient is φ = 128592.
The previous prime is 192889. The next prime is 192917. The reversal of 192897 is 798291.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 123201 + 69696 = 351^2 + 264^2 .
It is not a de Polignac number, because 192897 - 23 = 192889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (192817) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10708 + ... + 10725.
2192897 is an apocalyptic number.
It is an amenable number.
192897 is a deficient number, since it is larger than the sum of its proper divisors (85745).
192897 is a wasteful number, since it uses less digits than its factorization.
192897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21439 (or 21436 counting only the distinct ones).
The product of its digits is 9072, while the sum is 36.
The square root of 192897 is about 439.2004098359. The cubic root of 192897 is about 57.7796833965.
It can be divided in two parts, 1928 and 97, that added together give a square (2025 = 452).
The spelling of 192897 in words is "one hundred ninety-two thousand, eight hundred ninety-seven".
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