99036389 has 2 divisors, whose sum is σ = 99036390. Its totient is φ = 99036388.

The previous prime is 99036323. The next prime is 99036391. The reversal of 99036389 is 98363099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 30891364 = 8255^2 + 5558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99036389 is a prime.

It is a Sophie Germain prime.

Together with 99036391, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99036319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49518194 + 49518195.

It is an arithmetic number, because the mean of its divisors is an integer number (49518195).

Almost surely, 2^99036389 is an apocalyptic number.

It is an amenable number.

99036389 is a deficient number, since it is larger than the sum of its proper divisors (1).

99036389 is an equidigital number, since it uses as much as digits as its factorization.

99036389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 99036389 is about 9951.7028191159. The cubic root of 99036389 is about 462.6631733960.

The spelling of 99036389 in words is "ninety-nine million, thirty-six thousand, three hundred eighty-nine".