606686607 has 12 divisors (see below), whose sum is σ = 881392824. Its totient is φ = 402118800.

The previous prime is 606686569. The next prime is 606686621. The reversal of 606686607 is 706686606.

It is a happy number.

It is not a de Polignac number, because 606686607 - 2⁶ = 606686543 is a prime.

It is a super-2 number, since 2×606686607² = 736137278226344898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606686677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193269 + ... + 196382.

It is an arithmetic number, because the mean of its divisors is an integer number (73449402).

Almost surely, 2^606686607 is an apocalyptic number.

606686607 is a deficient number, since it is larger than the sum of its proper divisors (274706217).

606686607 is a wasteful number, since it uses less digits than its factorization.

606686607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389830 (or 389827 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 606686607 is about 24631.0090536299. The cubic root of 606686607 is about 846.5542659978.

Subtracting 606686607 from its reverse (706686606), we obtain a palindrome (99999999).

The spelling of 606686607 in words is "six hundred six million, six hundred eighty-six thousand, six hundred seven".