606785 has 4 divisors (see below), whose sum is σ = 728148. Its totient is φ = 485424.

The previous prime is 606757. The next prime is 606791. The reversal of 606785 is 587606.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 587606 = 2 ⋅293803.

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 283024 = 569^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 606785 - 2⁶ = 606721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60674 + ... + 60683.

It is an arithmetic number, because the mean of its divisors is an integer number (182037).

2⁶⁰⁶⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

606785 is a deficient number, since it is larger than the sum of its proper divisors (121363).

606785 is a wasteful number, since it uses less digits than its factorization.

606785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121362.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 606785 is about 778.9640556534. The cubic root of 606785 is about 84.6600028511.

The spelling of 606785 in words is "six hundred six thousand, seven hundred eighty-five".