428183 has 4 divisors (see below), whose sum is σ = 489360. Its totient is φ = 367008.

The previous prime is 428177. The next prime is 428221. The reversal of 428183 is 381824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428183 - 2⁴ = 428167 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 (428143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30578 + ... + 30591.

It is an arithmetic number, because the mean of its divisors is an integer number (122340).

2⁴²⁸¹⁸³ is an apocalyptic number.

428183 is a deficient number, since it is larger than the sum of its proper divisors (61177).

428183 is an equidigital number, since it uses as much as digits as its factorization.

428183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61176.

The product of its digits is 1536, while the sum is 26.

The square root of 428183 is about 654.3569362359. The cubic root of 428183 is about 75.3719596382.

The spelling of 428183 in words is "four hundred twenty-eight thousand, one hundred eighty-three".