427556 has 12 divisors (see below), whose sum is σ = 757260. Its totient is φ = 211200.

The previous prime is 427541. The next prime is 427579. The reversal of 427556 is 655724.

427556 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 25600 + 401956 = 160^2 + 634^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427556.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 245 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (63105).

2⁴²⁷⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

427556 is a deficient number, since it is larger than the sum of its proper divisors (329704).

427556 is a wasteful number, since it uses less digits than its factorization.

427556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1292 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 427556 is about 653.8776643991. The cubic root of 427556 is about 75.3351519301.

It can be divided in two parts, 4 and 27556, that multiplied together give a square (110224 = 332²).

The spelling of 427556 in words is "four hundred twenty-seven thousand, five hundred fifty-six".