8897144 has 8 divisors (see below), whose sum is σ = 16682160. Its totient is φ = 4448568.

The previous prime is 8897143. The next prime is 8897153. The reversal of 8897144 is 4417988.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8897143) 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 as a sum of consecutive naturals, namely, 556064 + ... + 556079.

It is an arithmetic number, because the mean of its divisors is an integer number (2085270).

Almost surely, 2^8897144 is an apocalyptic number.

It is an amenable number.

8897144 is a deficient number, since it is larger than the sum of its proper divisors (7785016).

8897144 is a wasteful number, since it uses less digits than its factorization.

8897144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112149 (or 1112145 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 8897144 is about 2982.8080729407. The cubic root of 8897144 is about 207.2129402631.

The spelling of 8897144 in words is "eight million, eight hundred ninety-seven thousand, one hundred forty-four".