426670 has 8 divisors (see below), whose sum is σ = 768024. Its totient is φ = 170664.

The previous prime is 426661. The next prime is 426691. The reversal of 426670 is 76624.

426670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

426670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21324 + ... + 21343.

It is an arithmetic number, because the mean of its divisors is an integer number (96003).

2⁴²⁶⁶⁷⁰ is an apocalyptic number.

426670 is a deficient number, since it is larger than the sum of its proper divisors (341354).

426670 is a wasteful number, since it uses less digits than its factorization.

426670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42674.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 426670 is about 653.1998162890. The cubic root of 426670 is about 75.2830783591.

The spelling of 426670 in words is "four hundred twenty-six thousand, six hundred seventy".