670608 has 30 divisors (see below), whose sum is σ = 1877174. Its totient is φ = 223488.

The previous prime is 670597. The next prime is 670613. The reversal of 670608 is 806076.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 219024 = 672^2 + 468^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

670608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2185 + ... + 2472.

2⁶⁷⁰⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

670608 is an abundant number, since it is smaller than the sum of its proper divisors (1206566).

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

670608 is a wasteful number, since it uses less digits than its factorization.

670608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 670608 is about 818.9065880795. The cubic root of 670608 is about 87.5298619164.

The spelling of 670608 in words is "six hundred seventy thousand, six hundred eight".