428103 has 12 divisors (see below), whose sum is σ = 666120. Its totient is φ = 263376.

The previous prime is 428093. The next prime is 428137. The reversal of 428103 is 301824.

It is a happy number.

428103 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 428103 - 2⁶ = 428039 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428103.

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 11 ways as a sum of consecutive naturals, for example, 1713 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (55510).

2⁴²⁸¹⁰³ is an apocalyptic number.

428103 is a deficient number, since it is larger than the sum of its proper divisors (238017).

428103 is a wasteful number, since it uses less digits than its factorization.

428103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 428103 is about 654.2958046633. The cubic root of 428103 is about 75.3672652806.

Adding to 428103 its reverse (301824), we get a palindrome (729927).

The spelling of 428103 in words is "four hundred twenty-eight thousand, one hundred three".