428055 has 8 divisors (see below), whose sum is σ = 684912. Its totient is φ = 228288.

The previous prime is 428047. The next prime is 428083. The reversal of 428055 is 550824.

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

It is not a de Polignac number, because 428055 - 2³ = 428047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14254 + ... + 14283.

It is an arithmetic number, because the mean of its divisors is an integer number (85614).

2⁴²⁸⁰⁵⁵ is an apocalyptic number.

428055 is a deficient number, since it is larger than the sum of its proper divisors (256857).

428055 is a wasteful number, since it uses less digits than its factorization.

428055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28545.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 428055 is about 654.2591229780. The cubic root of 428055 is about 75.3644483853.

Adding to 428055 its reverse (550824), we get a palindrome (978879).

The spelling of 428055 in words is "four hundred twenty-eight thousand, fifty-five".