99533843 has 2 divisors, whose sum is σ = 99533844. Its totient is φ = 99533842.

The previous prime is 99533813. The next prime is 99533881. The reversal of 99533843 is 34833599.

It is a weak prime.

It is an emirp because it is prime and its reverse (34833599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99533843 - 2¹⁸ = 99271699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99533794 and 99533803.

It is not a weakly prime, because it can be changed into another prime (99533803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49766921 + 49766922.

It is an arithmetic number, because the mean of its divisors is an integer number (49766922).

Almost surely, 2^99533843 is an apocalyptic number.

99533843 is a deficient number, since it is larger than the sum of its proper divisors (1).

99533843 is an equidigital number, since it uses as much as digits as its factorization.

99533843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 99533843 is about 9976.6649237107. The cubic root of 99533843 is about 463.4365233766.

The spelling of 99533843 in words is "ninety-nine million, five hundred thirty-three thousand, eight hundred forty-three".