8889449 has 4 divisors (see below), whose sum is σ = 8929536. Its totient is φ = 8849364.

The previous prime is 8889427. The next prime is 8889479. The reversal of 8889449 is 9449888.

It is a happy number.

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 8889449 - 2⁸ = 8889193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8889397 and 8889406.

It is not an unprimeable number, because it can be changed into a prime (8889479) 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, 19709 + ... + 20154.

It is an arithmetic number, because the mean of its divisors is an integer number (2232384).

Almost surely, 2^8889449 is an apocalyptic number.

It is an amenable number.

8889449 is a deficient number, since it is larger than the sum of its proper divisors (40087).

8889449 is a wasteful number, since it uses less digits than its factorization.

8889449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40086.

The product of its digits is 663552, while the sum is 50.

The square root of 8889449 is about 2981.5179020090. The cubic root of 8889449 is about 207.1531846275.

The spelling of 8889449 in words is "eight million, eight hundred eighty-nine thousand, four hundred forty-nine".