8243249 has 16 divisors (see below), whose sum is σ = 10171008. Its totient is φ = 6519552.

The previous prime is 8243239. The next prime is 8243251. The reversal of 8243249 is 9423428.

It is a cyclic number.

It is not a de Polignac number, because 8243249 - 2¹⁶ = 8177713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8243219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5654 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (635688).

Almost surely, 2^8243249 is an apocalyptic number.

It is an amenable number.

8243249 is a deficient number, since it is larger than the sum of its proper divisors (1927759).

8243249 is a wasteful number, since it uses less digits than its factorization.

8243249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its digits is 13824, while the sum is 32.

The square root of 8243249 is about 2871.1058844982. The cubic root of 8243249 is about 202.0068700078.

The spelling of 8243249 in words is "eight million, two hundred forty-three thousand, two hundred forty-nine".