428396 has 6 divisors (see below), whose sum is σ = 749700. Its totient is φ = 214196.

The previous prime is 428369. The next prime is 428401. The reversal of 428396 is 693824.

It is a d-powerful number, because it can be written as 4⁹ + 2¹⁷ + 3⁷ + 8⁵ + 9 + 6³ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428396.

It is an unprimeable number.

428396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53546 + ... + 53553.

It is an arithmetic number, because the mean of its divisors is an integer number (124950).

2⁴²⁸³⁹⁶ is an apocalyptic number.

It is an amenable number.

428396 is a deficient number, since it is larger than the sum of its proper divisors (321304).

428396 is a wasteful number, since it uses less digits than its factorization.

428396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107103 (or 107101 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 428396 is about 654.5196712094. The cubic root of 428396 is about 75.3844555150.

The spelling of 428396 in words is "four hundred twenty-eight thousand, three hundred ninety-six".