670339 has 4 divisors (see below), whose sum is σ = 705640. Its totient is φ = 635040.

The previous prime is 670333. The next prime is 670343. The reversal of 670339 is 933076.

670339 = T₆₆₇ + T₆₆₈ + T₆₆₉.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670339 - 2⁷ = 670211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17622 + ... + 17659.

It is an arithmetic number, because the mean of its divisors is an integer number (176410).

2⁶⁷⁰³³⁹ is an apocalyptic number.

670339 is the 669-th centered triangular number.

670339 is a deficient number, since it is larger than the sum of its proper divisors (35301).

670339 is a wasteful number, since it uses less digits than its factorization.

670339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35300.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 670339 is about 818.7423282083. The cubic root of 670339 is about 87.5181567763.

The spelling of 670339 in words is "six hundred seventy thousand, three hundred thirty-nine".