888001 has 2 divisors, whose sum is σ = 888002. Its totient is φ = 888000.

The previous prime is 887989. The next prime is 888011. The reversal of 888001 is 100888.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 34225 = 924^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-888001 is a prime.

888001 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (888011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444000 + 444001.

It is an arithmetic number, because the mean of its divisors is an integer number (444001).

2⁸⁸⁸⁰⁰¹ is an apocalyptic number.

It is an amenable number.

888001 is a deficient number, since it is larger than the sum of its proper divisors (1).

888001 is an equidigital number, since it uses as much as digits as its factorization.

888001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 888001 is about 942.3380497465. The cubic root of 888001 is about 96.1179467544.

Adding to 888001 its reverse (100888), we get a palindrome (988889).

The spelling of 888001 in words is "eight hundred eighty-eight thousand, one".