8664249 has 8 divisors (see below), whose sum is σ = 12602592. Its totient is φ = 5251040.

The previous prime is 8664223. The next prime is 8664259. The reversal of 8664249 is 9424668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8664249 - 2¹¹ = 8662201 is a prime.

8664249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8664259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131244 + ... + 131309.

It is an arithmetic number, because the mean of its divisors is an integer number (1575324).

Almost surely, 2^8664249 is an apocalyptic number.

It is an amenable number.

8664249 is a deficient number, since it is larger than the sum of its proper divisors (3938343).

8664249 is a wasteful number, since it uses less digits than its factorization.

8664249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262567.

The product of its digits is 82944, while the sum is 39.

The square root of 8664249 is about 2943.5096398687. The cubic root of 8664249 is about 205.3889028376.

It can be divided in two parts, 866 and 4249, that added together give a palindrome (5115).

The spelling of 8664249 in words is "eight million, six hundred sixty-four thousand, two hundred forty-nine".