606889 has 4 divisors (see below), whose sum is σ = 616900. Its totient is φ = 596880.

The previous prime is 606863. The next prime is 606899. The reversal of 606889 is 988606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105625 + 501264 = 325^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 606889 - 2⁵ = 606857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606829) 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, 4914 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (154225).

2⁶⁰⁶⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

606889 is a deficient number, since it is larger than the sum of its proper divisors (10011).

606889 is an equidigital number, since it uses as much as digits as its factorization.

606889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010.

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

The square root of 606889 is about 779.0308081199. The cubic root of 606889 is about 84.6648393458.

The spelling of 606889 in words is "six hundred six thousand, eight hundred eighty-nine".