93740489 has 2 divisors, whose sum is σ = 93740490. Its totient is φ = 93740488.

The previous prime is 93740477. The next prime is 93740539. The reversal of 93740489 is 98404739.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 32775625 = 7808^2 + 5725^2 .

It is an emirp because it is prime and its reverse (98404739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93740489 - 2⁸ = 93740233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93740429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46870244 + 46870245.

It is an arithmetic number, because the mean of its divisors is an integer number (46870245).

Almost surely, 2^93740489 is an apocalyptic number.

It is an amenable number.

93740489 is a deficient number, since it is larger than the sum of its proper divisors (1).

93740489 is an equidigital number, since it uses as much as digits as its factorization.

93740489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 93740489 is about 9681.9672071331. The cubic root of 93740489 is about 454.2647853472.

The spelling of 93740489 in words is "ninety-three million, seven hundred forty thousand, four hundred eighty-nine".