93487393 has 4 divisors (see below), whose sum is σ = 93609108. Its totient is φ = 93365680.

The previous prime is 93487379. The next prime is 93487399. The reversal of 93487393 is 39378439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39378439 = 4783 ⋅8233.

It can be written as a sum of positive squares in 2 ways, for example, as 49238289 + 44249104 = 7017^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 93487393 - 2²¹ = 91390241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93487399) 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, 59698 + ... + 61243.

It is an arithmetic number, because the mean of its divisors is an integer number (23402277).

Almost surely, 2^93487393 is an apocalyptic number.

It is an amenable number.

93487393 is a deficient number, since it is larger than the sum of its proper divisors (121715).

93487393 is a wasteful number, since it uses less digits than its factorization.

93487393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121714.

The product of its digits is 489888, while the sum is 46.

The square root of 93487393 is about 9668.8878884802. The cubic root of 93487393 is about 453.8555839060.

The spelling of 93487393 in words is "ninety-three million, four hundred eighty-seven thousand, three hundred ninety-three".