670841 has 4 divisors (see below), whose sum is σ = 700032. Its totient is φ = 641652.

The previous prime is 670823. The next prime is 670849. The reversal of 670841 is 148076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670841 - 2⁶ = 670777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670841.

It is not an unprimeable number, because it can be changed into a prime (670849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14561 + ... + 14606.

It is an arithmetic number, because the mean of its divisors is an integer number (175008).

2⁶⁷⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

670841 is a deficient number, since it is larger than the sum of its proper divisors (29191).

670841 is a wasteful number, since it uses less digits than its factorization.

670841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29190.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 670841 is about 819.0488385927. The cubic root of 670841 is about 87.5399980398.

The spelling of 670841 in words is "six hundred seventy thousand, eight hundred forty-one".