93438089 has 2 divisors, whose sum is σ = 93438090. Its totient is φ = 93438088.

The previous prime is 93438053. The next prime is 93438101. The reversal of 93438089 is 98083439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90878089 + 2560000 = 9533^2 + 1600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93438089 is a prime.

It is a super-3 number, since 3×93438089³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93438589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46719044 + 46719045.

It is an arithmetic number, because the mean of its divisors is an integer number (46719045).

Almost surely, 2^93438089 is an apocalyptic number.

It is an amenable number.

93438089 is a deficient number, since it is larger than the sum of its proper divisors (1).

93438089 is an equidigital number, since it uses as much as digits as its factorization.

93438089 is an evil number, because the sum of its binary digits is even.

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

The square root of 93438089 is about 9666.3379311919. The cubic root of 93438089 is about 453.7757840888.

The spelling of 93438089 in words is "ninety-three million, four hundred thirty-eight thousand, eighty-nine".