828042 has 8 divisors (see below), whose sum is σ = 1656096. Its totient is φ = 276012.

The previous prime is 828029. The next prime is 828043. The reversal of 828042 is 240828.

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

828042 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (828043) by changing a digit.

828042 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 3 ways as a sum of consecutive naturals, for example, 68998 + ... + 69009.

It is an arithmetic number, because the mean of its divisors is an integer number (207012).

2⁸²⁸⁰⁴² is an apocalyptic number.

828042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

828042 is a wasteful number, since it uses less digits than its factorization.

828042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138012.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 828042 is about 909.9681313101. The cubic root of 828042 is about 93.9040064252.

The spelling of 828042 in words is "eight hundred twenty-eight thousand, forty-two".