93328289 has 4 divisors (see below), whose sum is σ = 94200624. Its totient is φ = 92455956.

The previous prime is 93328267. The next prime is 93328303. The reversal of 93328289 is 98282339.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98282339 = 167 ⋅588517.

It is a cyclic number.

It is not a de Polignac number, because 93328289 - 2⁸ = 93328033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (93328219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436007 + ... + 436220.

It is an arithmetic number, because the mean of its divisors is an integer number (23550156).

Almost surely, 2^93328289 is an apocalyptic number.

It is an amenable number.

93328289 is a deficient number, since it is larger than the sum of its proper divisors (872335).

93328289 is a wasteful number, since it uses less digits than its factorization.

93328289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872334.

The product of its digits is 186624, while the sum is 44.

The square root of 93328289 is about 9660.6567582127. The cubic root of 93328289 is about 453.5979689857.

The spelling of 93328289 in words is "ninety-three million, three hundred twenty-eight thousand, two hundred eighty-nine".