828540 has 36 divisors (see below), whose sum is σ = 2513784. Its totient is φ = 220896.

The previous prime is 828523. The next prime is 828547. The reversal of 828540 is 45828.

828540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122 + ... + 2481.

2⁸²⁸⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

828540 is an abundant number, since it is smaller than the sum of its proper divisors (1685244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828540 is a wasteful number, since it uses less digits than its factorization.

828540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618 (or 4613 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 828540 is about 910.2417261365. The cubic root of 828540 is about 93.9228278632.

The spelling of 828540 in words is "eight hundred twenty-eight thousand, five hundred forty".