886440840 has 64 divisors (see below), whose sum is σ = 2676317760. Its totient is φ = 234873600.

The previous prime is 886440761. The next prime is 886440853. The reversal of 886440840 is 48044688.

It is a junction number, because it is equal to n+sod(n) for n = 886440792 and 886440801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4686 + ... + 42365.

It is an arithmetic number, because the mean of its divisors is an integer number (41817465).

Almost surely, 2^886440840 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 886440840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338158880).

886440840 is an abundant number, since it is smaller than the sum of its proper divisors (1789876920).

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

886440840 is a wasteful number, since it uses less digits than its factorization.

886440840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47222 (or 47218 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 886440840 is about 29773.1563660960. The cubic root of 886440840 is about 960.6162276204.

The spelling of 886440840 in words is "eight hundred eighty-six million, four hundred forty thousand, eight hundred forty".