886609 has 2 divisors, whose sum is σ = 886610. Its totient is φ = 886608.

The previous prime is 886607. The next prime is 886619. The reversal of 886609 is 906688.

886609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 138384 = 865^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 886609 - 2¹ = 886607 is a prime.

Together with 886607, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (886607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443304 + 443305.

It is an arithmetic number, because the mean of its divisors is an integer number (443305).

2⁸⁸⁶⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

886609 is a deficient number, since it is larger than the sum of its proper divisors (1).

886609 is an equidigital number, since it uses as much as digits as its factorization.

886609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 886609 is about 941.5991716224. The cubic root of 886609 is about 96.0676967531.

The spelling of 886609 in words is "eight hundred eighty-six thousand, six hundred nine".