428355 has 32 divisors (see below), whose sum is σ = 806400. Its totient is φ = 215136.

The previous prime is 428353. The next prime is 428369. The reversal of 428355 is 553824.

It is not a de Polignac number, because 428355 - 2¹ = 428353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (4800) is a multiple of the sum of its prime factors (200).

It is not an unprimeable number, because it can be changed into a prime (428353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2482 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2⁴²⁸³⁵⁵ is an apocalyptic number.

428355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

428355 is a deficient number, since it is larger than the sum of its proper divisors (378045).

428355 is a wasteful number, since it uses less digits than its factorization.

428355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 194 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 428355 is about 654.4883497817. The cubic root of 428355 is about 75.3820505273.

The spelling of 428355 in words is "four hundred twenty-eight thousand, three hundred fifty-five".