93988369 has 2 divisors, whose sum is σ = 93988370. Its totient is φ = 93988368.

The previous prime is 93988351. The next prime is 93988379. The reversal of 93988369 is 96388939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 9072144 = 9215^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 93988369 - 2¹⁹ = 93464081 is a prime.

It is a super-2 number, since 2×93988369² = 17667627014560322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93988339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46994184 + 46994185.

It is an arithmetic number, because the mean of its divisors is an integer number (46994185).

Almost surely, 2^93988369 is an apocalyptic number.

It is an amenable number.

93988369 is a deficient number, since it is larger than the sum of its proper divisors (1).

93988369 is an equidigital number, since it uses as much as digits as its factorization.

93988369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 55.

The square root of 93988369 is about 9694.7598732511. The cubic root of 93988369 is about 454.6648403244.

The spelling of 93988369 in words is "ninety-three million, nine hundred eighty-eight thousand, three hundred sixty-nine".