8897889 has 32 divisors (see below), whose sum is σ = 15934464. Its totient is φ = 4265280.

The previous prime is 8897881. The next prime is 8897921. The reversal of 8897889 is 9887988.

It is not a de Polignac number, because 8897889 - 2³ = 8897881 is a prime.

8897889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8897881) 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 31 ways as a sum of consecutive naturals, for example, 1522 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^8897889 is an apocalyptic number.

It is an amenable number.

8897889 is a deficient number, since it is larger than the sum of its proper divisors (7036575).

8897889 is a wasteful number, since it uses less digits than its factorization.

8897889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997.

The product of its digits is 2322432, while the sum is 57.

The square root of 8897889 is about 2982.9329526491. The cubic root of 8897889 is about 207.2187237419.

Subtracting 8897889 from its reverse (9887988), we obtain a palindrome (990099).

It can be divided in two parts, 889 and 7889, that added together give a palindrome (8778).

The spelling of 8897889 in words is "eight million, eight hundred ninety-seven thousand, eight hundred eighty-nine".