888899 has 4 divisors (see below), whose sum is σ = 969720. Its totient is φ = 808080.

The previous prime is 888887. The next prime is 888917. The reversal of 888899 is 998888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 888899 - 2¹² = 884803 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888809) 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, 40394 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (242430).

2⁸⁸⁸⁸⁹⁹ is an apocalyptic number.

888899 is a deficient number, since it is larger than the sum of its proper divisors (80821).

888899 is a wasteful number, since it uses less digits than its factorization.

888899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80820.

The product of its digits is 331776, while the sum is 50.

The square root of 888899 is about 942.8144037932. The cubic root of 888899 is about 96.1503359211.

The spelling of 888899 in words is "eight hundred eighty-eight thousand, eight hundred ninety-nine".