93880321 has 2 divisors, whose sum is σ = 93880322. Its totient is φ = 93880320.

The previous prime is 93880253. The next prime is 93880357. The reversal of 93880321 is 12308839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93876721 + 3600 = 9689^2 + 60^2 .

It is an emirp because it is prime and its reverse (12308839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93880321 - 2¹⁵ = 93847553 is a prime.

It is not a weakly prime, because it can be changed into another prime (93880421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46940160 + 46940161.

It is an arithmetic number, because the mean of its divisors is an integer number (46940161).

It is a Proth number, since it is equal to 2865 ⋅ 2¹⁵ + 1 and 2865 < 2¹⁵.

Almost surely, 2^93880321 is an apocalyptic number.

It is an amenable number.

93880321 is a deficient number, since it is larger than the sum of its proper divisors (1).

93880321 is an equidigital number, since it uses as much as digits as its factorization.

93880321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 93880321 is about 9689.1857759050. The cubic root of 93880321 is about 454.4905476114.

The spelling of 93880321 in words is "ninety-three million, eight hundred eighty thousand, three hundred twenty-one".