427928 has 16 divisors (see below), whose sum is σ = 810000. Its totient is φ = 211936.

The previous prime is 427919. The next prime is 427939. The reversal of 427928 is 829724.

It is a junction number, because it is equal to n+sod(n) for n = 427894 and 427903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (50625).

2⁴²⁷⁹²⁸ is an apocalyptic number.

It is an amenable number.

427928 is a deficient number, since it is larger than the sum of its proper divisors (382072).

427928 is a wasteful number, since it uses less digits than its factorization.

427928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 427928 is about 654.1620594318. The cubic root of 427928 is about 75.3569943341.

The spelling of 427928 in words is "four hundred twenty-seven thousand, nine hundred twenty-eight".