8118243 has 12 divisors (see below), whose sum is σ = 13401648. Its totient is φ = 4638960.

The previous prime is 8118239. The next prime is 8118251. The reversal of 8118243 is 3428118.

It is not a de Polignac number, because 8118243 - 2² = 8118239 is a prime.

8118243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8118233) 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, 64368 + ... + 64493.

It is an arithmetic number, because the mean of its divisors is an integer number (1116804).

Almost surely, 2^8118243 is an apocalyptic number.

8118243 is a deficient number, since it is larger than the sum of its proper divisors (5283405).

8118243 is a wasteful number, since it uses less digits than its factorization.

8118243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128874 (or 128871 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 8118243 is about 2849.2530600142. The cubic root of 8118243 is about 200.9805431526.

It can be divided in two parts, 81182 and 43, that added together give a square (81225 = 285²).

The spelling of 8118243 in words is "eight million, one hundred eighteen thousand, two hundred forty-three".