2289885660 has 96 divisors (see below), whose sum is σ = 7135329600. Its totient is φ = 609672960.

The previous prime is 2289885613. The next prime is 2289885671. The reversal of 2289885660 is 665889822.

2289885660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2289885597 and 2289885606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379870 + ... + 385850.

It is an arithmetic number, because the mean of its divisors is an integer number (74326350).

Almost surely, 2^2289885660 is an apocalyptic number.

2289885660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2289885660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3567664800).

2289885660 is an abundant number, since it is smaller than the sum of its proper divisors (4845443940).

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

2289885660 is a wasteful number, since it uses less digits than its factorization.

2289885660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708 (or 6700 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 2289885660 is about 47852.7497642507. The cubic root of 2289885660 is about 1318.0683523507.

The spelling of 2289885660 in words is "two billion, two hundred eighty-nine million, eight hundred eighty-five thousand, six hundred sixty".