426629 has 8 divisors (see below), whose sum is σ = 496320. Its totient is φ = 359136.

The previous prime is 426611. The next prime is 426631. The reversal of 426629 is 926624.

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 426629 - 2¹⁶ = 361093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (62040).

2⁴²⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

426629 is a deficient number, since it is larger than the sum of its proper divisors (69691).

426629 is a wasteful number, since it uses less digits than its factorization.

426629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

The product of its digits is 5184, while the sum is 29.

The square root of 426629 is about 653.1684315703. The cubic root of 426629 is about 75.2806668896.

The spelling of 426629 in words is "four hundred twenty-six thousand, six hundred twenty-nine".