670266 has 24 divisors (see below), whose sum is σ = 1516320. Its totient is φ = 213576.

The previous prime is 670261. The next prime is 670279. The reversal of 670266 is 662076.

670266 is nontrivially palindromic in base 16.

670266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

670266 is an undulating number in base 16.

It is not an unprimeable number, because it can be changed into a prime (670261) by changing a digit.

670266 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 11 ways as a sum of consecutive naturals, for example, 396 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2⁶⁷⁰²⁶⁶ is an apocalyptic number.

670266 is an abundant number, since it is smaller than the sum of its proper divisors (846054).

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

670266 is a wasteful number, since it uses less digits than its factorization.

670266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 670266 is about 818.6977464242. The cubic root of 670266 is about 87.5149797483.

The spelling of 670266 in words is "six hundred seventy thousand, two hundred sixty-six".