384797 has 6 divisors (see below), whose sum is σ = 447678. Its totient is φ = 329784.
The previous prime is 384779. The next prime is 384817. The reversal of 384797 is 797483.
It can be written as a sum of positive squares in only one way, i.e., 219961 + 164836 = 469^2 + 406^2 .
It is not a de Polignac number, because 384797 - 26 = 384733 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 384797.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (384737) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3878 + ... + 3975.
It is an arithmetic number, because the mean of its divisors is an integer number (74613).
2384797 is an apocalyptic number.
It is an amenable number.
384797 is a deficient number, since it is larger than the sum of its proper divisors (62881).
384797 is an equidigital number, since it uses as much as digits as its factorization.
384797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7867 (or 7860 counting only the distinct ones).
The product of its digits is 42336, while the sum is 38.
The square root of 384797 is about 620.3200786691. The cubic root of 384797 is about 72.7350752519.
Subtracting 384797 from its reverse (797483), we obtain a triangular number (412686 = T908).
The spelling of 384797 in words is "three hundred eighty-four thousand, seven hundred ninety-seven".
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