828307605 has 16 divisors (see below), whose sum is σ = 1328606784. Its totient is φ = 440659200.

The previous prime is 828307591. The next prime is 828307621. The reversal of 828307605 is 506703828.

It is not a de Polignac number, because 828307605 - 2⁵ = 828307573 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62839 + ... + 74868.

It is an arithmetic number, because the mean of its divisors is an integer number (83037924).

Almost surely, 2^828307605 is an apocalyptic number.

It is an amenable number.

828307605 is a deficient number, since it is larger than the sum of its proper divisors (500299179).

828307605 is a wasteful number, since it uses less digits than its factorization.

828307605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138116.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 828307605 is about 28780.3336499075. Note that the first 3 decimals coincide. The cubic root of 828307605 is about 939.1404565327.

The spelling of 828307605 in words is "eight hundred twenty-eight million, three hundred seven thousand, six hundred five".