93086389 has 6 divisors (see below), whose sum is σ = 102318230. Its totient is φ = 84623880.

The previous prime is 93086387. The next prime is 93086417. The reversal of 93086389 is 98368039.

It can be written as a sum of positive squares in only one way, i.e., 73239364 + 19847025 = 8558^2 + 4455^2 .

It is not a de Polignac number, because 93086389 - 2¹ = 93086387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93086381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384534 + ... + 384775.

Almost surely, 2^93086389 is an apocalyptic number.

It is an amenable number.

93086389 is a deficient number, since it is larger than the sum of its proper divisors (9231841).

93086389 is a wasteful number, since it uses less digits than its factorization.

93086389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769331 (or 769320 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 93086389 is about 9648.1287823080. The cubic root of 93086389 is about 453.2057324816.

The spelling of 93086389 in words is "ninety-three million, eighty-six thousand, three hundred eighty-nine".