846428 has 12 divisors (see below), whose sum is σ = 1615992. Its totient is φ = 384720.

The previous prime is 846427. The next prime is 846437. The reversal of 846428 is 824648.

It is a junction number, because it is equal to n+sod(n) for n = 846394 and 846403.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 846428.

It is not an unprimeable number, because it can be changed into a prime (846421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9575 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (134666).

2⁸⁴⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

846428 is a deficient number, since it is larger than the sum of its proper divisors (769564).

846428 is a wasteful number, since it uses less digits than its factorization.

846428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19252 (or 19250 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 846428 is about 920.0152172655. The cubic root of 846428 is about 94.5939455620.

The spelling of 846428 in words is "eight hundred forty-six thousand, four hundred twenty-eight".