93889913 has 16 divisors (see below), whose sum is σ = 102735360. Its totient is φ = 85290624.

The previous prime is 93889909. The next prime is 93889921. The reversal of 93889913 is 31998839.

It is a cyclic number.

It is not a de Polignac number, because 93889913 - 2² = 93889909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (93889993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402845 + ... + 403077.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 2^93889913 is an apocalyptic number.

It is an amenable number.

93889913 is a deficient number, since it is larger than the sum of its proper divisors (8845447).

93889913 is a wasteful number, since it uses less digits than its factorization.

93889913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its digits is 419904, while the sum is 50.

The square root of 93889913 is about 9689.6807480949. The cubic root of 93889913 is about 454.5060259169.

The spelling of 93889913 in words is "ninety-three million, eight hundred eighty-nine thousand, nine hundred thirteen".