97047 has 12 divisors (see below), whose sum is σ = 144144. Its totient is φ = 62880.
The previous prime is 97039. The next prime is 97073. The reversal of 97047 is 74079.
It is not a de Polignac number, because 97047 - 23 = 97039 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 97047.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238 + ... + 500.
It is an arithmetic number, because the mean of its divisors is an integer number (12012).
297047 is an apocalyptic number.
97047 is a deficient number, since it is larger than the sum of its proper divisors (47097).
97047 is a wasteful number, since it uses less digits than its factorization.
97047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310 (or 307 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 27.
The square root of 97047 is about 311.5236748628. The cubic root of 97047 is about 45.9544287184.
Subtracting from 97047 its sum of digits (27), we obtain a triangular number (97020 = T440).
It can be divided in two parts, 9 and 7047, that added together give a square (7056 = 842).
The spelling of 97047 in words is "ninety-seven thousand, forty-seven".
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