428095 has 4 divisors (see below), whose sum is σ = 513720. Its totient is φ = 342472.

The previous prime is 428093. The next prime is 428137. The reversal of 428095 is 590824.

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 428095 - 2¹ = 428093 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428093) 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, 42805 + ... + 42814.

It is an arithmetic number, because the mean of its divisors is an integer number (128430).

2⁴²⁸⁰⁹⁵ is an apocalyptic number.

428095 is a deficient number, since it is larger than the sum of its proper divisors (85625).

428095 is an equidigital number, since it uses as much as digits as its factorization.

428095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85624.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 428095 is about 654.2896911919. The cubic root of 428095 is about 75.3667958127.

The spelling of 428095 in words is "four hundred twenty-eight thousand, ninety-five".