2103798528 has 216 divisors, whose sum is σ = 6740417040. Its totient is φ = 646963200.

The previous prime is 2103798527. The next prime is 2103798551. The reversal of 2103798528 is 8258973012.

It is a happy number.

2103798528 is a `hidden beast` number, since 2 + 1 + 0 + 37 + 98 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is not an unprimeable number, because it can be changed into a prime (2103798527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1167228 + ... + 1169028.

Almost surely, 2^2103798528 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 2103798528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370208520).

2103798528 is an abundant number, since it is smaller than the sum of its proper divisors (4636618512).

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

2103798528 is a wasteful number, since it uses less digits than its factorization.

2103798528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 2103798528 is about 45867.1835629789. The cubic root of 2103798528 is about 1281.3508135372.

It can be divided in two parts, 2103798 and 528, that added together give a triangular number (2104326 = T₂₀₅₁).

The spelling of 2103798528 in words is "two billion, one hundred three million, seven hundred ninety-eight thousand, five hundred twenty-eight".