670289 has 8 divisors (see below), whose sum is σ = 707712. Its totient is φ = 633600.

The previous prime is 670279. The next prime is 670297. The reversal of 670289 is 982076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670289 - 2¹⁶ = 604753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3377 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (88464).

2⁶⁷⁰²⁸⁹ is an apocalyptic number.

It is an amenable number.

670289 is a deficient number, since it is larger than the sum of its proper divisors (37423).

670289 is a wasteful number, since it uses less digits than its factorization.

670289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 670289 is about 818.7117930017. The cubic root of 670289 is about 87.5159807546.

It can be divided in two parts, 670 and 289, that added together give a palindrome (959).

The spelling of 670289 in words is "six hundred seventy thousand, two hundred eighty-nine".