606978 has 12 divisors (see below), whose sum is σ = 1315158. Its totient is φ = 202320.

The previous prime is 606971. The next prime is 606997. The reversal of 606978 is 879606.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 3249 = 777^2 + 57^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606978.

It is not an unprimeable number, because it can be changed into a prime (606971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16843 + ... + 16878.

2⁶⁰⁶⁹⁷⁸ is an apocalyptic number.

606978 is an abundant number, since it is smaller than the sum of its proper divisors (708180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606978 is a wasteful number, since it uses less digits than its factorization.

606978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33729 (or 33726 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 606978 is about 779.0879282854. The cubic root of 606978 is about 84.6689778304.

The spelling of 606978 in words is "six hundred six thousand, nine hundred seventy-eight".