8813243 has 4 divisors (see below), whose sum is σ = 8962680. Its totient is φ = 8663808.

The previous prime is 8813227. The next prime is 8813249. The reversal of 8813243 is 3423188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8813243 - 2⁴ = 8813227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8813249) 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, 74630 + ... + 74747.

It is an arithmetic number, because the mean of its divisors is an integer number (2240670).

Almost surely, 2^8813243 is an apocalyptic number.

8813243 is a deficient number, since it is larger than the sum of its proper divisors (149437).

8813243 is a wasteful number, since it uses less digits than its factorization.

8813243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149436.

The product of its digits is 4608, while the sum is 29.

The square root of 8813243 is about 2968.7106628973. The cubic root of 8813243 is about 206.5595354685.

It can be divided in two parts, 88 and 13243, that added together give a palindrome (13331).

The spelling of 8813243 in words is "eight million, eight hundred thirteen thousand, two hundred forty-three".