428395 has 8 divisors (see below), whose sum is σ = 560880. Its totient is φ = 311520.

The previous prime is 428369. The next prime is 428401. The reversal of 428395 is 593824.

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

It is not a de Polignac number, because 428395 - 2⁹ = 427883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3840 + ... + 3949.

It is an arithmetic number, because the mean of its divisors is an integer number (70110).

2⁴²⁸³⁹⁵ is an apocalyptic number.

428395 is a deficient number, since it is larger than the sum of its proper divisors (132485).

428395 is a wasteful number, since it uses less digits than its factorization.

428395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805.

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

The square root of 428395 is about 654.5189072899. The cubic root of 428395 is about 75.3843968586.

The spelling of 428395 in words is "four hundred twenty-eight thousand, three hundred ninety-five".