428119 has 4 divisors (see below), whose sum is σ = 430360. Its totient is φ = 425880.

The previous prime is 428093. The next prime is 428137. The reversal of 428119 is 911824.

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 428119 - 2⁷ = 427991 is a prime.

It is a super-2 number, since 2×428119² = 366571756322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428093 and 428102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428149) 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, 804 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (107590).

2⁴²⁸¹¹⁹ is an apocalyptic number.

428119 is a deficient number, since it is larger than the sum of its proper divisors (2241).

428119 is a wasteful number, since it uses less digits than its factorization.

428119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its digits is 576, while the sum is 25.

The square root of 428119 is about 654.3080314347. The cubic root of 428119 is about 75.3682041989.

The spelling of 428119 in words is "four hundred twenty-eight thousand, one hundred nineteen".