8904449 has 4 divisors (see below), whose sum is σ = 8910420. Its totient is φ = 8898480.

The previous prime is 8904443. The next prime is 8904451. The reversal of 8904449 is 9444098.

8904449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9444098 = 2 ⋅4722049.

It can be written as a sum of positive squares in 2 ways, for example, as 8151025 + 753424 = 2855^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 8904449 - 2⁸ = 8904193 is a prime.

It is a super-3 number, since 3×8904449³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8904443) 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, 1379 + ... + 4439.

It is an arithmetic number, because the mean of its divisors is an integer number (2227605).

Almost surely, 2^8904449 is an apocalyptic number.

It is an amenable number.

8904449 is a deficient number, since it is larger than the sum of its proper divisors (5971).

8904449 is a wasteful number, since it uses less digits than its factorization.

8904449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970.

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

The square root of 8904449 is about 2984.0323389669. The cubic root of 8904449 is about 207.2696354769.

The spelling of 8904449 in words is "eight million, nine hundred four thousand, four hundred forty-nine".