608891 has 4 divisors (see below), whose sum is σ = 623784. Its totient is φ = 594000.

The previous prime is 608887. The next prime is 608897. The reversal of 608891 is 198806.

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

It is a cyclic number.

It is not a de Polignac number, because 608891 - 2² = 608887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7385 + ... + 7466.

It is an arithmetic number, because the mean of its divisors is an integer number (155946).

2⁶⁰⁸⁸⁹¹ is an apocalyptic number.

608891 is a deficient number, since it is larger than the sum of its proper divisors (14893).

608891 is a wasteful number, since it uses less digits than its factorization.

608891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14892.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 608891 is about 780.3146801131. The cubic root of 608891 is about 84.7578343683.

The spelling of 608891 in words is "six hundred eight thousand, eight hundred ninety-one".