8715493 has 4 divisors (see below), whose sum is σ = 8928108. Its totient is φ = 8502880.

The previous prime is 8715451. The next prime is 8715523. The reversal of 8715493 is 3945178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3945178 = 2 ⋅1972589.

It can be written as a sum of positive squares in 2 ways, for example, as 4318084 + 4397409 = 2078^2 + 2097^2 .

It is a cyclic number.

It is not a de Polignac number, because 8715493 - 2¹⁷ = 8584421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8715403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106246 + ... + 106327.

It is an arithmetic number, because the mean of its divisors is an integer number (2232027).

Almost surely, 2^8715493 is an apocalyptic number.

It is an amenable number.

8715493 is a deficient number, since it is larger than the sum of its proper divisors (212615).

8715493 is a wasteful number, since it uses less digits than its factorization.

8715493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212614.

The product of its digits is 30240, while the sum is 37.

The square root of 8715493 is about 2952.2013820199. The cubic root of 8715493 is about 205.7930258491.

The spelling of 8715493 in words is "eight million, seven hundred fifteen thousand, four hundred ninety-three".