2388661386 has 16 divisors (see below), whose sum is σ = 4942058400. Its totient is φ = 768764528.

The previous prime is 2388661367. The next prime is 2388661403. The reversal of 2388661386 is 6831668832.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6863796 + ... + 6864143.

It is an arithmetic number, because the mean of its divisors is an integer number (308878650).

Almost surely, 2^2388661386 is an apocalyptic number.

2388661386 is an abundant number, since it is smaller than the sum of its proper divisors (2553397014).

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

2388661386 is a wasteful number, since it uses less digits than its factorization.

2388661386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727973.

The product of its digits is 1990656, while the sum is 51.

The square root of 2388661386 is about 48873.9336047345. The cubic root of 2388661386 is about 1336.7541149483.

The spelling of 2388661386 in words is "two billion, three hundred eighty-eight million, six hundred sixty-one thousand, three hundred eighty-six".