99371 has 2 divisors, whose sum is σ = 99372. Its totient is φ = 99370.

The previous prime is 99367. The next prime is 99377. The reversal of 99371 is 17399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99371 - 2² = 99367 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (99377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49685 + 49686.

It is an arithmetic number, because the mean of its divisors is an integer number (49686).

2⁹⁹³⁷¹ is an apocalyptic number.

99371 is a deficient number, since it is larger than the sum of its proper divisors (1).

99371 is an equidigital number, since it uses as much as digits as its factorization.

99371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 29.

The square root of 99371 is about 315.2316608464. The cubic root of 99371 is about 46.3183649295.

The spelling of 99371 in words is "ninety-nine thousand, three hundred seventy-one".