427538128 has 20 divisors (see below), whose sum is σ = 831311748. Its totient is φ = 213006080.

The previous prime is 427538107. The next prime is 427538129. The reversal of 427538128 is 821835724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118200384 + 309337744 = 10872^2 + 17588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427538129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43051 + ... + 52042.

Almost surely, 2^427538128 is an apocalyptic number.

It is an amenable number.

427538128 is a deficient number, since it is larger than the sum of its proper divisors (403773620).

427538128 is a wasteful number, since it uses less digits than its factorization.

427538128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95382 (or 95376 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 427538128 is about 20676.9951395264. The cubic root of 427538128 is about 753.3410223630.

The spelling of 427538128 in words is "four hundred twenty-seven million, five hundred thirty-eight thousand, one hundred twenty-eight".