2381439884 has 12 divisors (see below), whose sum is σ = 4246152624. Its totient is φ = 1168253424.

The previous prime is 2381439869. The next prime is 2381439887. The reversal of 2381439884 is 4889341832.

It is a super-2 number, since 2×2381439884² = 11342511842211866912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2381439887) 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, 5616392 + ... + 5616815.

It is an arithmetic number, because the mean of its divisors is an integer number (353846052).

Almost surely, 2^2381439884 is an apocalyptic number.

It is an amenable number.

2381439884 is a deficient number, since it is larger than the sum of its proper divisors (1864712740).

2381439884 is a wasteful number, since it uses less digits than its factorization.

2381439884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233264 (or 11233262 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 2381439884 is about 48799.9988114754. The cubic root of 2381439884 is about 1335.4056446147.

The spelling of 2381439884 in words is "two billion, three hundred eighty-one million, four hundred thirty-nine thousand, eight hundred eighty-four".