93243913 has 12 divisors (see below), whose sum is σ = 108684180. Its totient is φ = 79763712.

The previous prime is 93243901. The next prime is 93243919. The reversal of 93243913 is 31934239.

It can be written as a sum of positive squares in 2 ways, for example, as 54952569 + 38291344 = 7413^2 + 6188^2 .

It is not a de Polignac number, because 93243913 - 2⁹ = 93243401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93243919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27453 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (9057015).

Almost surely, 2^93243913 is an apocalyptic number.

It is an amenable number.

93243913 is a deficient number, since it is larger than the sum of its proper divisors (15440267).

93243913 is a wasteful number, since it uses less digits than its factorization.

93243913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816 (or 3809 counting only the distinct ones).

The product of its digits is 17496, while the sum is 34.

The square root of 93243913 is about 9656.2887798574. The cubic root of 93243913 is about 453.4612318745.

The spelling of 93243913 in words is "ninety-three million, two hundred forty-three thousand, nine hundred thirteen".