3884686378 has 8 divisors (see below), whose sum is σ = 5925792960. Its totient is φ = 1909422060.

The previous prime is 3884686373. The next prime is 3884686391. The reversal of 3884686378 is 8736864883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3884686373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16460418 + ... + 16460653.

It is an arithmetic number, because the mean of its divisors is an integer number (740724120).

Almost surely, 2^3884686378 is an apocalyptic number.

3884686378 is a deficient number, since it is larger than the sum of its proper divisors (2041106582).

3884686378 is a wasteful number, since it uses less digits than its factorization.

3884686378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32921132.

The product of its digits is 37158912, while the sum is 61.

The square root of 3884686378 is about 62327.2522898290. The cubic root of 3884686378 is about 1571.9979942113.

The spelling of 3884686378 in words is "three billion, eight hundred eighty-four million, six hundred eighty-six thousand, three hundred seventy-eight".