670326 has 8 divisors (see below), whose sum is σ = 1340664. Its totient is φ = 223440.

The previous prime is 670321. The next prime is 670333. The reversal of 670326 is 623076.

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

670326 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 670296 and 670305.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670326.

It is not an unprimeable number, because it can be changed into a prime (670321) by changing a digit.

670326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 55855 + ... + 55866.

It is an arithmetic number, because the mean of its divisors is an integer number (167583).

2⁶⁷⁰³²⁶ is an apocalyptic number.

670326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

670326 is a wasteful number, since it uses less digits than its factorization.

670326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111726.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 670326 is about 818.7343891642. The cubic root of 670326 is about 87.5175910211.

The spelling of 670326 in words is "six hundred seventy thousand, three hundred twenty-six".