97843 has 2 divisors, whose sum is σ = 97844. Its totient is φ = 97842.

The previous prime is 97841. The next prime is 97847. The reversal of 97843 is 34879.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97843 - 2¹ = 97841 is a prime.

Together with 97841, it forms a pair of twin primes.

It is a plaindrome in base 5.

It is not a weakly prime, because it can be changed into another prime (97841) 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 as a sum of consecutive naturals, namely, 48921 + 48922.

It is an arithmetic number, because the mean of its divisors is an integer number (48922).

2⁹⁷⁸⁴³ is an apocalyptic number.

97843 is a deficient number, since it is larger than the sum of its proper divisors (1).

97843 is an equidigital number, since it uses as much as digits as its factorization.

97843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 97843 is about 312.7986572861. The cubic root of 97843 is about 46.0797294042.

The spelling of 97843 in words is "ninety-seven thousand, eight hundred forty-three".