887209 has 4 divisors (see below), whose sum is σ = 892816. Its totient is φ = 881604.

The previous prime is 887203. The next prime is 887233. The reversal of 887209 is 902788.

It is a happy number.

887209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 887209 - 2⁵ = 887177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887203) 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, 2559 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (223204).

2⁸⁸⁷²⁰⁹ is an apocalyptic number.

It is an amenable number.

887209 is a deficient number, since it is larger than the sum of its proper divisors (5607).

887209 is a wasteful number, since it uses less digits than its factorization.

887209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 887209 is about 941.9177246448. The cubic root of 887209 is about 96.0893626811.

The spelling of 887209 in words is "eight hundred eighty-seven thousand, two hundred nine".