888861 has 4 divisors (see below), whose sum is σ = 1185152. Its totient is φ = 592572.

The previous prime is 888857. The next prime is 888869. The reversal of 888861 is 168888.

It is a happy number.

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 not a de Polignac number, because 888861 - 2² = 888857 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888869) 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, 148141 + ... + 148146.

It is an arithmetic number, because the mean of its divisors is an integer number (296288).

2⁸⁸⁸⁸⁶¹ is an apocalyptic number.

It is an amenable number.

888861 is a deficient number, since it is larger than the sum of its proper divisors (296291).

888861 is a wasteful number, since it uses less digits than its factorization.

888861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296290.

The product of its digits is 24576, while the sum is 39.

The square root of 888861 is about 942.7942511492. The cubic root of 888861 is about 96.1489657749.

The spelling of 888861 in words is "eight hundred eighty-eight thousand, eight hundred sixty-one".