828402 has 16 divisors (see below), whose sum is σ = 1674432. Its totient is φ = 273200.

The previous prime is 828397. The next prime is 828407. The reversal of 828402 is 204828.

It is an interprime number because it is at equal distance from previous prime (828397) and next prime (828407).

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 an Ulam number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (828407) 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 7 ways as a sum of consecutive naturals, for example, 78 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (104652).

2⁸²⁸⁴⁰² is an apocalyptic number.

828402 is an abundant number, since it is smaller than the sum of its proper divisors (846030).

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

828402 is a wasteful number, since it uses less digits than its factorization.

828402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

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

The square root of 828402 is about 910.1659189401. The cubic root of 828402 is about 93.9176130396.

The spelling of 828402 in words is "eight hundred twenty-eight thousand, four hundred two".