98647 has 4 divisors (see below), whose sum is σ = 102960. Its totient is φ = 94336.
The previous prime is 98641. The next prime is 98663. The reversal of 98647 is 74689.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74689 = 19 ⋅3931.
It is a cyclic number.
It is not a de Polignac number, because 98647 - 23 = 98639 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98641) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122 + ... + 2167.
It is an arithmetic number, because the mean of its divisors is an integer number (25740).
298647 is an apocalyptic number.
98647 is a deficient number, since it is larger than the sum of its proper divisors (4313).
98647 is a wasteful number, since it uses less digits than its factorization.
98647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4312.
The product of its digits is 12096, while the sum is 34.
The square root of 98647 is about 314.0811996921. The cubic root of 98647 is about 46.2056014148.
The spelling of 98647 in words is "ninety-eight thousand, six hundred forty-seven".
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