828909852 has 12 divisors (see below), whose sum is σ = 1934123016. Its totient is φ = 276303280.

The previous prime is 828909841. The next prime is 828909859. The reversal of 828909852 is 258909828.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 828909795 and 828909804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828909859) 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, 34537899 + ... + 34537922.

It is an arithmetic number, because the mean of its divisors is an integer number (161176918).

Almost surely, 2^828909852 is an apocalyptic number.

It is an amenable number.

828909852 is an abundant number, since it is smaller than the sum of its proper divisors (1105213164).

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

828909852 is a wasteful number, since it uses less digits than its factorization.

828909852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69075828 (or 69075826 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 828909852 is about 28790.7945704873. The cubic root of 828909852 is about 939.3680118904.

The spelling of 828909852 in words is "eight hundred twenty-eight million, nine hundred nine thousand, eight hundred fifty-two".