606891 has 8 divisors (see below), whose sum is σ = 818640. Its totient is φ = 399872.

The previous prime is 606863. The next prime is 606899. The reversal of 606891 is 198606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 606891 - 2⁹ = 606379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (606899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 1403.

It is an arithmetic number, because the mean of its divisors is an integer number (102330).

2⁶⁰⁶⁸⁹¹ is an apocalyptic number.

606891 is a deficient number, since it is larger than the sum of its proper divisors (211749).

606891 is a wasteful number, since it uses less digits than its factorization.

606891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 606891 is about 779.0320917652. The cubic root of 606891 is about 84.6649323499.

The spelling of 606891 in words is "six hundred six thousand, eight hundred ninety-one".