606656 has 14 divisors (see below), whose sum is σ = 1203960. Its totient is φ = 303296.

The previous prime is 606653. The next prime is 606659. The reversal of 606656 is 656606.

It is an interprime number because it is at equal distance from previous prime (606653) and next prime (606659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4676 + ... + 4803.

2⁶⁰⁶⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

606656 is a deficient number, since it is larger than the sum of its proper divisors (597304).

606656 is an equidigital number, since it uses as much as digits as its factorization.

606656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491 (or 9481 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 606656 is about 778.8812489719. The cubic root of 606656 is about 84.6540029695.

The spelling of 606656 in words is "six hundred six thousand, six hundred fifty-six".