860821104 has 180 divisors, whose sum is σ = 2649835608. Its totient is φ = 240514560.

The previous prime is 860821097. The next prime is 860821133. The reversal of 860821104 is 401128068.

860821104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 981114 + ... + 981990.

Almost surely, 2^860821104 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 860821104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324917804).

860821104 is an abundant number, since it is smaller than the sum of its proper divisors (1789014504).

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

860821104 is a wasteful number, since it uses less digits than its factorization.

860821104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 860821104 is about 29339.7529641952. The cubic root of 860821104 is about 951.2710977769.

The spelling of 860821104 in words is "eight hundred sixty million, eight hundred twenty-one thousand, one hundred four".