8861449 has 4 divisors (see below), whose sum is σ = 8868736. Its totient is φ = 8854164.

The previous prime is 8861423. The next prime is 8861473. The reversal of 8861449 is 9441688.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8861449 - 2¹⁷ = 8730377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8861249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329 + ... + 4414.

It is an arithmetic number, because the mean of its divisors is an integer number (2217184).

Almost surely, 2^8861449 is an apocalyptic number.

It is an amenable number.

8861449 is a deficient number, since it is larger than the sum of its proper divisors (7287).

8861449 is a wasteful number, since it uses less digits than its factorization.

8861449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286.

The product of its digits is 55296, while the sum is 40.

The square root of 8861449 is about 2976.8186038118. The cubic root of 8861449 is about 206.9354587306.

The spelling of 8861449 in words is "eight million, eight hundred sixty-one thousand, four hundred forty-nine".