96981 has 4 divisors (see below), whose sum is σ = 129312. Its totient is φ = 64652.
The previous prime is 96979. The next prime is 96989. The reversal of 96981 is 18969.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18969 = 3 ⋅6323.
It is a cyclic number.
It is not a de Polignac number, because 96981 - 21 = 96979 is a prime.
It is a super-2 number, since 2×969812 = 18810628722, which contains 22 as substring.
It is a D-number.
It is an alternating number because its digits alternate between odd and even.
96981 is a lucky number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 96981.
It is not an unprimeable number, because it can be changed into a prime (96989) 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 3 ways as a sum of consecutive naturals, for example, 16161 + ... + 16166.
It is an arithmetic number, because the mean of its divisors is an integer number (32328).
296981 is an apocalyptic number.
It is an amenable number.
96981 is a deficient number, since it is larger than the sum of its proper divisors (32331).
96981 is a wasteful number, since it uses less digits than its factorization.
96981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32330.
The product of its digits is 3888, while the sum is 33.
The square root of 96981 is about 311.4177258924. The cubic root of 96981 is about 45.9440087496.
The spelling of 96981 in words is "ninety-six thousand, nine hundred eighty-one".
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