93814321 has 2 divisors, whose sum is σ = 93814322. Its totient is φ = 93814320.

The previous prime is 93814247. The next prime is 93814361. The reversal of 93814321 is 12341839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84272400 + 9541921 = 9180^2 + 3089^2 .

It is an emirp because it is prime and its reverse (12341839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93814321 - 2¹³ = 93806129 is a prime.

It is a super-2 number, since 2×93814321² = 17602253649382082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93814361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46907160 + 46907161.

It is an arithmetic number, because the mean of its divisors is an integer number (46907161).

Almost surely, 2^93814321 is an apocalyptic number.

It is an amenable number.

93814321 is a deficient number, since it is larger than the sum of its proper divisors (1).

93814321 is an equidigital number, since it uses as much as digits as its factorization.

93814321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 93814321 is about 9685.7793181550. The cubic root of 93814321 is about 454.3840169138.

The spelling of 93814321 in words is "ninety-three million, eight hundred fourteen thousand, three hundred twenty-one".