8815493 has 4 divisors (see below), whose sum is σ = 8823648. Its totient is φ = 8807340.

The previous prime is 8815489. The next prime is 8815549. The reversal of 8815493 is 3945188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8815493 - 2² = 8815489 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 (8815403) 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, 2153 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (2205912).

Almost surely, 2^8815493 is an apocalyptic number.

It is an amenable number.

8815493 is a deficient number, since it is larger than the sum of its proper divisors (8155).

8815493 is a wasteful number, since it uses less digits than its factorization.

8815493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154.

The product of its digits is 34560, while the sum is 38.

The square root of 8815493 is about 2969.0895911036. The cubic root of 8815493 is about 206.5771120257.

The spelling of 8815493 in words is "eight million, eight hundred fifteen thousand, four hundred ninety-three".