428175 has 36 divisors (see below), whose sum is σ = 841464. Its totient is φ = 206400.

The previous prime is 428173. The next prime is 428177. The reversal of 428175 is 571824.

It is an interprime number because it is at equal distance from previous prime (428173) and next prime (428177).

It is not a de Polignac number, because 428175 - 2¹ = 428173 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428173) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2389 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (23374).

2⁴²⁸¹⁷⁵ is an apocalyptic number.

428175 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

428175 is a deficient number, since it is larger than the sum of its proper divisors (413289).

428175 is a wasteful number, since it uses less digits than its factorization.

428175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 192 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 428175 is about 654.3508233356. The cubic root of 428175 is about 75.3714902287.

Adding to 428175 its reverse (571824), we get a palindrome (999999).

It can be divided in two parts, 4281 and 75, that added together give a square (4356 = 66²).

The spelling of 428175 in words is "four hundred twenty-eight thousand, one hundred seventy-five".