828516433 has 4 divisors (see below), whose sum is σ = 836719668. Its totient is φ = 820313200.

The previous prime is 828516427. The next prime is 828516461. The reversal of 828516433 is 334615828.

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 806162449 + 22353984 = 28393^2 + 4728^2 .

It is a cyclic number.

It is not a de Polignac number, because 828516433 - 2⁹ = 828515921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828516463) 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 3 ways as a sum of consecutive naturals, for example, 4101466 + ... + 4101667.

It is an arithmetic number, because the mean of its divisors is an integer number (209179917).

Almost surely, 2^828516433 is an apocalyptic number.

It is an amenable number.

828516433 is a deficient number, since it is larger than the sum of its proper divisors (8203235).

828516433 is a wasteful number, since it uses less digits than its factorization.

828516433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203234.

The product of its digits is 138240, while the sum is 40.

The square root of 828516433 is about 28783.9613847712. The cubic root of 828516433 is about 939.2193734081.

The spelling of 828516433 in words is "eight hundred twenty-eight million, five hundred sixteen thousand, four hundred thirty-three".