2289494688 has 96 divisors (see below), whose sum is σ = 6486100992. Its totient is φ = 702950400.

The previous prime is 2289494687. The next prime is 2289494717. The reversal of 2289494688 is 8864949822.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2289494687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673473 + ... + 676863.

It is an arithmetic number, because the mean of its divisors is an integer number (67563552).

Almost surely, 2^2289494688 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 2289494688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243050496).

2289494688 is an abundant number, since it is smaller than the sum of its proper divisors (4196606304).

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

2289494688 is a wasteful number, since it uses less digits than its factorization.

2289494688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958 (or 3950 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The square root of 2289494688 is about 47848.6644327718. The cubic root of 2289494688 is about 1317.9933330079.

The spelling of 2289494688 in words is "two billion, two hundred eighty-nine million, four hundred ninety-four thousand, six hundred eighty-eight".