2387638764 has 108 divisors (see below), whose sum is σ = 7032306736. Its totient is φ = 669112704.

The previous prime is 2387638753. The next prime is 2387638789. The reversal of 2387638764 is 4678367832.

2387638764 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2387638764.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 706182 + ... + 709554.

Almost surely, 2^2387638764 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 2387638764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3516153368).

2387638764 is an abundant number, since it is smaller than the sum of its proper divisors (4644667972).

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

2387638764 is a wasteful number, since it uses less digits than its factorization.

2387638764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3438 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 2387638764 is about 48863.4706503744. The cubic root of 2387638764 is about 1336.5633261802.

The spelling of 2387638764 in words is "two billion, three hundred eighty-seven million, six hundred thirty-eight thousand, seven hundred sixty-four".