428539255 has 8 divisors (see below), whose sum is σ = 515891952. Its totient is φ = 341734848.

The previous prime is 428539253. The next prime is 428539261. The reversal of 428539255 is 552935824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428539255 - 2¹ = 428539253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428539253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135349 + ... + 138478.

It is an arithmetic number, because the mean of its divisors is an integer number (64486494).

Almost surely, 2^428539255 is an apocalyptic number.

428539255 is a deficient number, since it is larger than the sum of its proper divisors (87352697).

428539255 is a wasteful number, since it uses less digits than its factorization.

428539255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274145.

The product of its digits is 432000, while the sum is 43.

The square root of 428539255 is about 20701.1897001114. The cubic root of 428539255 is about 753.9285739600.

The spelling of 428539255 in words is "four hundred twenty-eight million, five hundred thirty-nine thousand, two hundred fifty-five".