2308007988 has 108 divisors (see below), whose sum is σ = 6891943968. Its totient is φ = 645577920.

The previous prime is 2308007987. The next prime is 2308007993. The reversal of 2308007988 is 8897008032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308007981) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49681 + ... + 84167.

It is an arithmetic number, because the mean of its divisors is an integer number (63814296).

Almost surely, 2^2308007988 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 2308007988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3445971984).

2308007988 is an abundant number, since it is smaller than the sum of its proper divisors (4583935980).

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

2308007988 is a wasteful number, since it uses less digits than its factorization.

2308007988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34534 (or 34516 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2308007988 is about 48041.7317339831. The cubic root of 2308007988 is about 1321.5363172830.

The spelling of 2308007988 in words is "two billion, three hundred eight million, seven thousand, nine hundred eighty-eight".