2861103828 has 96 divisors (see below), whose sum is σ = 7682250240. Its totient is φ = 819642240.

The previous prime is 2861103793. The next prime is 2861103829. The reversal of 2861103828 is 8283011682.

2861103828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2861103828² = 16371830229192507168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861103829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636851 + ... + 1638597.

It is an arithmetic number, because the mean of its divisors is an integer number (80023440).

Almost surely, 2^2861103828 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 2861103828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3841125120).

2861103828 is an abundant number, since it is smaller than the sum of its proper divisors (4821146412).

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

2861103828 is a wasteful number, since it uses less digits than its factorization.

2861103828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2861103828 is about 53489.2870395559. The cubic root of 2861103828 is about 1419.6388402414.

The spelling of 2861103828 in words is "two billion, eight hundred sixty-one million, one hundred three thousand, eight hundred twenty-eight".