888666 has 16 divisors (see below), whose sum is σ = 1825824. Its totient is φ = 288144.

The previous prime is 888661. The next prime is 888683. The reversal of 888666 is 666888.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (888661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 2223.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

2⁸⁸⁸⁶⁶⁶ is an apocalyptic number.

888666 is an abundant number, since it is smaller than the sum of its proper divisors (937158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

888666 is a wasteful number, since it uses less digits than its factorization.

888666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045.

The product of its digits is 110592, while the sum is 42.

The square root of 888666 is about 942.6908294876. The cubic root of 888666 is about 96.1419341469.

The spelling of 888666 in words is "eight hundred eighty-eight thousand, six hundred sixty-six".