426620 has 24 divisors (see below), whose sum is σ = 910224. Its totient is φ = 167936.

The previous prime is 426611. The next prime is 426631. The reversal of 426620 is 26624.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 426592 and 426601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (37926).

2⁴²⁶⁶²⁰ is an apocalyptic number.

It is an amenable number.

426620 is an abundant number, since it is smaller than the sum of its proper divisors (483604).

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

426620 is a wasteful number, since it uses less digits than its factorization.

426620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 426620 is about 653.1615420399. The cubic root of 426620 is about 75.2801375220.

The spelling of 426620 in words is "four hundred twenty-six thousand, six hundred twenty".