428359 has 4 divisors (see below), whose sum is σ = 443160. Its totient is φ = 413560.

The previous prime is 428353. The next prime is 428369. The reversal of 428359 is 953824.

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 428359 - 2⁷ = 428231 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428359.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7357 + ... + 7414.

It is an arithmetic number, because the mean of its divisors is an integer number (110790).

2⁴²⁸³⁵⁹ is an apocalyptic number.

428359 is a deficient number, since it is larger than the sum of its proper divisors (14801).

428359 is a wasteful number, since it uses less digits than its factorization.

428359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800.

The product of its digits is 8640, while the sum is 31.

The square root of 428359 is about 654.4914055967. The cubic root of 428359 is about 75.3822851670.

It can be divided in two parts, 428 and 359, that added together give a palindrome (787).

The spelling of 428359 in words is "four hundred twenty-eight thousand, three hundred fifty-nine".