8616449 has 4 divisors (see below), whose sum is σ = 8849364. Its totient is φ = 8383536.

The previous prime is 8616431. The next prime is 8616457. The reversal of 8616449 is 9446168.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5726449 + 2890000 = 2393^2 + 1700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8616449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8616499) 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, 116402 + ... + 116475.

It is an arithmetic number, because the mean of its divisors is an integer number (2212341).

Almost surely, 2^8616449 is an apocalyptic number.

It is an amenable number.

8616449 is a deficient number, since it is larger than the sum of its proper divisors (232915).

8616449 is a wasteful number, since it uses less digits than its factorization.

8616449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232914.

The product of its digits is 41472, while the sum is 38.

The square root of 8616449 is about 2935.3788511877. The cubic root of 8616449 is about 205.0105011476.

The spelling of 8616449 in words is "eight million, six hundred sixteen thousand, four hundred forty-nine".