427628 has 6 divisors (see below), whose sum is σ = 748356. Its totient is φ = 213812.

The previous prime is 427621. The next prime is 427681. The reversal of 427628 is 826724.

427628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 427628.

It is not an unprimeable number, because it can be changed into a prime (427621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53450 + ... + 53457.

It is an arithmetic number, because the mean of its divisors is an integer number (124726).

2⁴²⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

427628 is a deficient number, since it is larger than the sum of its proper divisors (320728).

427628 is a wasteful number, since it uses less digits than its factorization.

427628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106911 (or 106909 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 427628 is about 653.9327182517. The cubic root of 427628 is about 75.3393804806.

The spelling of 427628 in words is "four hundred twenty-seven thousand, six hundred twenty-eight".