427656 has 32 divisors (see below), whose sum is σ = 1085760. Its totient is φ = 140352.

The previous prime is 427621. The next prime is 427681. The reversal of 427656 is 656724.

427656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

427656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2386 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (33930).

2⁴²⁷⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

427656 is an abundant number, since it is smaller than the sum of its proper divisors (658104).

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

427656 is a wasteful number, since it uses less digits than its factorization.

427656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 281 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 427656 is about 653.9541268315. The cubic root of 427656 is about 75.3410247888.

The spelling of 427656 in words is "four hundred twenty-seven thousand, six hundred fifty-six".