2100859328 has 28 divisors (see below), whose sum is σ = 4227618672. Its totient is φ = 1035632640.

The previous prime is 2100859309. The next prime is 2100859331. The reversal of 2100859328 is 8239580012.

It is a super-2 number, since 2×2100859328² = 8827219832089223168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100859291 and 2100859300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226625 + ... + 235712.

Almost surely, 2^2100859328 is an apocalyptic number.

It is an amenable number.

2100859328 is an abundant number, since it is smaller than the sum of its proper divisors (2126759344).

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

2100859328 is an equidigital number, since it uses as much as digits as its factorization.

2100859328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462420 (or 462410 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2100859328 is about 45835.1320277361. The cubic root of 2100859328 is about 1280.7538137916.

The spelling of 2100859328 in words is "two billion, one hundred million, eight hundred fifty-nine thousand, three hundred twenty-eight".