828852649 has 4 divisors (see below), whose sum is σ = 848128336. Its totient is φ = 809576964.

The previous prime is 828852623. The next prime is 828852719. The reversal of 828852649 is 946258828.

828852649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 828852649 - 2⁵ = 828852617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 828852596 and 828852605.

It is not an unprimeable number, because it can be changed into a prime (828852049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637779 + ... + 9637864.

It is an arithmetic number, because the mean of its divisors is an integer number (212032084).

Almost surely, 2^828852649 is an apocalyptic number.

It is an amenable number.

828852649 is a deficient number, since it is larger than the sum of its proper divisors (19275687).

828852649 is a wasteful number, since it uses less digits than its factorization.

828852649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275686.

The product of its digits is 2211840, while the sum is 52.

The square root of 828852649 is about 28789.8011281773. The cubic root of 828852649 is about 939.3464028239.

The spelling of 828852649 in words is "eight hundred twenty-eight million, eight hundred fifty-two thousand, six hundred forty-nine".