93216789 has 12 divisors (see below), whose sum is σ = 134803500. Its totient is φ = 62072064.

The previous prime is 93216787. The next prime is 93216811. The reversal of 93216789 is 98761239.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 81540900 = 3417^2 + 9030^2 .

It is not a de Polignac number, because 93216789 - 2¹ = 93216787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93216787) 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 in 11 ways as a sum of consecutive naturals, for example, 2787 + ... + 13935.

It is an arithmetic number, because the mean of its divisors is an integer number (11233625).

Almost surely, 2^93216789 is an apocalyptic number.

It is an amenable number.

93216789 is a deficient number, since it is larger than the sum of its proper divisors (41586711).

93216789 is a wasteful number, since it uses less digits than its factorization.

93216789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12084 (or 12081 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 93216789 is about 9654.8842043807. The cubic root of 93216789 is about 453.4172580469.

It can be divided in two parts, 9321 and 6789, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 93216789 in words is "ninety-three million, two hundred sixteen thousand, seven hundred eighty-nine".