2378216984 has 64 divisors (see below), whose sum is σ = 5285377440. Its totient is φ = 988968960.

The previous prime is 2378216963. The next prime is 2378217001. The reversal of 2378216984 is 4896128732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120074 + ... + 138470.

Almost surely, 2^2378216984 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 2378216984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642688720).

2378216984 is an abundant number, since it is smaller than the sum of its proper divisors (2907160456).

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

2378216984 is a wasteful number, since it uses less digits than its factorization.

2378216984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540 (or 18536 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 2378216984 is about 48766.9661143689. The cubic root of 2378216984 is about 1334.8029529574.

The spelling of 2378216984 in words is "two billion, three hundred seventy-eight million, two hundred sixteen thousand, nine hundred eighty-four".