670089 has 16 divisors (see below), whose sum is σ = 1081728. Its totient is φ = 360192.

The previous prime is 670051. The next prime is 670097. The reversal of 670089 is 980076.

It is a happy number.

It is not a de Polignac number, because 670089 - 2⁹ = 669577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (670039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (67608).

2⁶⁷⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

670089 is a deficient number, since it is larger than the sum of its proper divisors (411639).

670089 is a wasteful number, since it uses less digits than its factorization.

670089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 670089 is about 818.5896407847. The cubic root of 670089 is about 87.5072755855.

The spelling of 670089 in words is "six hundred seventy thousand, eighty-nine".