8487249 has 4 divisors (see below), whose sum is σ = 11316336. Its totient is φ = 5658164.

The previous prime is 8487239. The next prime is 8487293. The reversal of 8487249 is 9427848.

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.

It is a cyclic number.

It is not a de Polignac number, because 8487249 - 2⁵ = 8487217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8487249.

It is not an unprimeable number, because it can be changed into a prime (8487229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414539 + ... + 1414544.

It is an arithmetic number, because the mean of its divisors is an integer number (2829084).

Almost surely, 2^8487249 is an apocalyptic number.

It is an amenable number.

8487249 is a deficient number, since it is larger than the sum of its proper divisors (2829087).

8487249 is a wasteful number, since it uses less digits than its factorization.

8487249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829086.

The product of its digits is 129024, while the sum is 42.

The square root of 8487249 is about 2913.2883482416. The cubic root of 8487249 is about 203.9806546438.

The spelling of 8487249 in words is "eight million, four hundred eighty-seven thousand, two hundred forty-nine".