828433 has 4 divisors (see below), whose sum is σ = 831028. Its totient is φ = 825840.

The previous prime is 828431. The next prime is 828449. The reversal of 828433 is 334828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 321489 = 712^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 828433 - 2¹ = 828431 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (207757).

2⁸²⁸⁴³³ is an apocalyptic number.

It is an amenable number.

828433 is a deficient number, since it is larger than the sum of its proper divisors (2595).

828433 is a wasteful number, since it uses less digits than its factorization.

828433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its digits is 4608, while the sum is 28.

The square root of 828433 is about 910.1829486427. The cubic root of 828433 is about 93.9187845359.

It can be divided in two parts, 8284 and 33, that multiplied together give a palindrome (273372).

The spelling of 828433 in words is "eight hundred twenty-eight thousand, four hundred thirty-three".