2308689216 has 420 divisors, whose sum is σ = 7699235808. Its totient is φ = 682463232.

The previous prime is 2308689211. The next prime is 2308689247. The reversal of 2308689216 is 6129868032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308689211) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 34458015 + ... + 34458081.

Almost surely, 2^2308689216 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 2308689216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3849617904).

2308689216 is an abundant number, since it is smaller than the sum of its proper divisors (5390546592).

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

2308689216 is a wasteful number, since it uses less digits than its factorization.

2308689216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2308689216 is about 48048.8211718040. The cubic root of 2308689216 is about 1321.6663253516. Note that the first 3 decimals are identical.

The spelling of 2308689216 in words is "two billion, three hundred eight million, six hundred eighty-nine thousand, two hundred sixteen".