828909396 has 96 divisors (see below), whose sum is σ = 2487296000. Its totient is φ = 233816544.

The previous prime is 828909391. The next prime is 828909439. The reversal of 828909396 is 693909828.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828909391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52785 + ... + 66663.

Almost surely, 2^828909396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 828909396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243648000).

828909396 is an abundant number, since it is smaller than the sum of its proper divisors (1658386604).

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

828909396 is a wasteful number, since it uses less digits than its factorization.

828909396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13978 (or 13970 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 828909396 is about 28790.7866512883. The cubic root of 828909396 is about 939.3678396353.

The spelling of 828909396 in words is "eight hundred twenty-eight million, nine hundred nine thousand, three hundred ninety-six".