428063 has 4 divisors (see below), whose sum is σ = 434520. Its totient is φ = 421608.

The previous prime is 428047. The next prime is 428083. The reversal of 428063 is 360824.

It is a happy number.

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 428063 - 2⁴ = 428047 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 (428003) 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, 3128 + ... + 3261.

It is an arithmetic number, because the mean of its divisors is an integer number (108630).

2⁴²⁸⁰⁶³ is an apocalyptic number.

428063 is a deficient number, since it is larger than the sum of its proper divisors (6457).

428063 is an equidigital number, since it uses as much as digits as its factorization.

428063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 428063 is about 654.2652367351. The cubic root of 428063 is about 75.3649178825.

Adding to 428063 its reverse (360824), we get a palindrome (788887).

The spelling of 428063 in words is "four hundred twenty-eight thousand, sixty-three".