99366389 has 2 divisors, whose sum is σ = 99366390. Its totient is φ = 99366388.

The previous prime is 99366373. The next prime is 99366403. The reversal of 99366389 is 98366399.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96373489 + 2992900 = 9817^2 + 1730^2 .

It is an emirp because it is prime and its reverse (98366399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99366389 - 2⁴ = 99366373 is a prime.

It is a super-3 number, since 3×99366389³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99366389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99360389) 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, 49683194 + 49683195.

It is an arithmetic number, because the mean of its divisors is an integer number (49683195).

Almost surely, 2^99366389 is an apocalyptic number.

It is an amenable number.

99366389 is a deficient number, since it is larger than the sum of its proper divisors (1).

99366389 is an equidigital number, since it uses as much as digits as its factorization.

99366389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 99366389 is about 9968.2691075231. The cubic root of 99366389 is about 463.1764849883.

The spelling of 99366389 in words is "ninety-nine million, three hundred sixty-six thousand, three hundred eighty-nine".