888961 has 2 divisors, whose sum is σ = 888962. Its totient is φ = 888960.

The previous prime is 888959. The next prime is 888967. The reversal of 888961 is 169888.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 78961 = 900^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 888961 - 2¹ = 888959 is a prime.

Together with 888959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (888967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444480 + 444481.

It is an arithmetic number, because the mean of its divisors is an integer number (444481).

2⁸⁸⁸⁹⁶¹ is an apocalyptic number.

It is an amenable number.

888961 is a deficient number, since it is larger than the sum of its proper divisors (1).

888961 is an equidigital number, since it uses as much as digits as its factorization.

888961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 40.

The square root of 888961 is about 942.8472834982. The cubic root of 888961 is about 96.1525713390.

It can be divided in two parts, 888 and 961, that added together give a square (1849 = 43²).

The spelling of 888961 in words is "eight hundred eighty-eight thousand, nine hundred sixty-one".