2289944316 has 48 divisors (see below), whose sum is σ = 5886695808. Its totient is φ = 687048000.

The previous prime is 2289944311. The next prime is 2289944329. The reversal of 2289944316 is 6134499822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289944311) 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, 72550 + ... + 99213.

It is an arithmetic number, because the mean of its divisors is an integer number (122639496).

Almost surely, 2^2289944316 is an apocalyptic number.

It is an amenable number.

2289944316 is an abundant number, since it is smaller than the sum of its proper divisors (3596751492).

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

2289944316 is a wasteful number, since it uses less digits than its factorization.

2289944316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171882 (or 171880 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 2289944316 is about 47853.3626404666. The cubic root of 2289944316 is about 1318.0796064726.

The spelling of 2289944316 in words is "two billion, two hundred eighty-nine million, nine hundred forty-four thousand, three hundred sixteen".