606881 has 4 divisors (see below), whose sum is σ = 662064. Its totient is φ = 551700.

The previous prime is 606863. The next prime is 606899. The reversal of 606881 is 188606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (606863) and next prime (606899).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606881 is a prime.

It is a super-2 number, since 2×606881² = 736609096322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (606811) 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 in 3 ways as a sum of consecutive naturals, for example, 27575 + ... + 27596.

It is an arithmetic number, because the mean of its divisors is an integer number (165516).

2⁶⁰⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

606881 is a deficient number, since it is larger than the sum of its proper divisors (55183).

606881 is a wasteful number, since it uses less digits than its factorization.

606881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55182.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 606881 is about 779.0256735179. The cubic root of 606881 is about 84.6644673274.

The spelling of 606881 in words is "six hundred six thousand, eight hundred eighty-one".