426679 has 8 divisors (see below), whose sum is σ = 472320. Its totient is φ = 382200.

The previous prime is 426661. The next prime is 426691. The reversal of 426679 is 976624.

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

It is a cyclic number.

It is not a de Polignac number, because 426679 - 2⁷ = 426551 is a prime.

It is a Duffinian number.

426679 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2⁴²⁶⁶⁷⁹ is an apocalyptic number.

426679 is a deficient number, since it is larger than the sum of its proper divisors (45641).

426679 is a wasteful number, since it uses less digits than its factorization.

426679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 18144, while the sum is 34.

The square root of 426679 is about 653.2067054157. The cubic root of 426679 is about 75.2836076854.

Subtracting 426679 from its reverse (976624), we obtain a palindrome (549945).

The spelling of 426679 in words is "four hundred twenty-six thousand, six hundred seventy-nine".