426627 has 20 divisors (see below), whose sum is σ = 667920. Its totient is φ = 270864.

The previous prime is 426611. The next prime is 426631. The reversal of 426627 is 726624.

It is not a de Polignac number, because 426627 - 2⁴ = 426611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

426627 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 426627.

It is not an unprimeable number, because it can be changed into a prime (426637) 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 19 ways as a sum of consecutive naturals, for example, 1749 + ... + 1977.

It is an arithmetic number, because the mean of its divisors is an integer number (33396).

2⁴²⁶⁶²⁷ is an apocalyptic number.

426627 is a deficient number, since it is larger than the sum of its proper divisors (241293).

426627 is a wasteful number, since it uses less digits than its factorization.

426627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 426627 is about 653.1669005698. The cubic root of 426627 is about 75.2805492530.

The spelling of 426627 in words is "four hundred twenty-six thousand, six hundred twenty-seven".