921828896 has 48 divisors (see below), whose sum is σ = 1885218048. Its totient is φ = 443232000.

The previous prime is 921828847. The next prime is 921828913. The reversal of 921828896 is 698828129.

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 7 ways as a sum of consecutive naturals, for example, 158846 + ... + 164546.

It is an arithmetic number, because the mean of its divisors is an integer number (39275376).

Almost surely, 2^921828896 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 921828896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942609024).

921828896 is an abundant number, since it is smaller than the sum of its proper divisors (963389152).

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

921828896 is a wasteful number, since it uses less digits than its factorization.

921828896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905 (or 5897 counting only the distinct ones).

The product of its digits is 995328, while the sum is 53.

The square root of 921828896 is about 30361.6352655782. The cubic root of 921828896 is about 973.2328792724.

The spelling of 921828896 in words is "nine hundred twenty-one million, eight hundred twenty-eight thousand, eight hundred ninety-six".