428795 has 8 divisors (see below), whose sum is σ = 518400. Its totient is φ = 340480.

The previous prime is 428777. The next prime is 428797. The reversal of 428795 is 597824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 428795 - 2⁶ = 428731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2⁴²⁸⁷⁹⁵ is an apocalyptic number.

428795 is a deficient number, since it is larger than the sum of its proper divisors (89605).

428795 is a wasteful number, since it uses less digits than its factorization.

428795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 20160, while the sum is 35.

The square root of 428795 is about 654.8244039435. The cubic root of 428795 is about 75.4078521421.

The spelling of 428795 in words is "four hundred twenty-eight thousand, seven hundred ninety-five".