427288 has 8 divisors (see below), whose sum is σ = 801180. Its totient is φ = 213640.

The previous prime is 427283. The next prime is 427307. The reversal of 427288 is 882724.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427283) 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 as a sum of consecutive naturals, namely, 26698 + ... + 26713.

2⁴²⁷²⁸⁸ is an apocalyptic number.

It is an amenable number.

427288 is a deficient number, since it is larger than the sum of its proper divisors (373892).

427288 is a wasteful number, since it uses less digits than its factorization.

427288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53417 (or 53413 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 427288 is about 653.6727009750. The cubic root of 427288 is about 75.3194081518.

The spelling of 427288 in words is "four hundred twenty-seven thousand, two hundred eighty-eight".