828478 has 24 divisors (see below), whose sum is σ = 1529712. Its totient is φ = 328512.

The previous prime is 828449. The next prime is 828517. The reversal of 828478 is 874828.

828478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

828478 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 in 11 ways as a sum of consecutive naturals, for example, 14013 + ... + 14071.

It is an arithmetic number, because the mean of its divisors is an integer number (63738).

2⁸²⁸⁴⁷⁸ is an apocalyptic number.

828478 is a deficient number, since it is larger than the sum of its proper divisors (701234).

828478 is a wasteful number, since it uses less digits than its factorization.

828478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 85 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 828478 is about 910.2076686119. The cubic root of 828478 is about 93.9204850431.

The spelling of 828478 in words is "eight hundred twenty-eight thousand, four hundred seventy-eight".