1008889 has 8 divisors (see below), whose sum is σ = 1165248. Its totient is φ = 855600.

The previous prime is 1008871. The next prime is 1008901. The reversal of 1008889 is 9888001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1008889 - 2⁵ = 1008857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1008809) 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 in 7 ways as a sum of consecutive naturals, for example, 7 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (145656).

2^1008889 is an apocalyptic number.

It is an amenable number.

1008889 is a deficient number, since it is larger than the sum of its proper divisors (156359).

1008889 is a wasteful number, since it uses less digits than its factorization.

1008889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1008889 is about 1004.4346668649. The cubic root of 1008889 is about 100.2954263731.

The spelling of 1008889 in words is "one million, eight thousand, eight hundred eighty-nine".