99983237 has 2 divisors, whose sum is σ = 99983238. Its totient is φ = 99983236.

The previous prime is 99983227. The next prime is 99983243. The reversal of 99983237 is 73238999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88190881 + 11792356 = 9391^2 + 3434^2 .

It is an emirp because it is prime and its reverse (73238999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99983237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99983207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991618 + 49991619.

It is an arithmetic number, because the mean of its divisors is an integer number (49991619).

Almost surely, 2^99983237 is an apocalyptic number.

It is an amenable number.

99983237 is a deficient number, since it is larger than the sum of its proper divisors (1).

99983237 is an equidigital number, since it uses as much as digits as its factorization.

99983237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 99983237 is about 9999.1618148723. The cubic root of 99983237 is about 464.1329462607.

The spelling of 99983237 in words is "ninety-nine million, nine hundred eighty-three thousand, two hundred thirty-seven".