8899444 has 6 divisors (see below), whose sum is σ = 15574034. Its totient is φ = 4449720.

The previous prime is 8899441. The next prime is 8899447. The reversal of 8899444 is 4449988.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8899441) and next prime (8899447).

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 19044 = 2980^2 + 138^2 .

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8899394 and 8899403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8899441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112427 + ... + 1112434.

Almost surely, 2^8899444 is an apocalyptic number.

It is an amenable number.

8899444 is a deficient number, since it is larger than the sum of its proper divisors (6674590).

8899444 is a wasteful number, since it uses less digits than its factorization.

8899444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224865 (or 2224863 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 8899444 is about 2983.1935907681. The cubic root of 8899444 is about 207.2307942583.

The spelling of 8899444 in words is "eight million, eight hundred ninety-nine thousand, four hundred forty-four".