3881320339 has 4 divisors (see below), whose sum is σ = 4179883456. Its totient is φ = 3582757224.

The previous prime is 3881320321. The next prime is 3881320343. The reversal of 3881320339 is 9330231883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3881320339 - 2⁵ = 3881320307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3881320319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149281539 + ... + 149281564.

It is an arithmetic number, because the mean of its divisors is an integer number (1044970864).

Almost surely, 2^3881320339 is an apocalyptic number.

3881320339 is a deficient number, since it is larger than the sum of its proper divisors (298563117).

3881320339 is a wasteful number, since it uses less digits than its factorization.

3881320339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298563116.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 3881320339 is about 62300.2434906959. The cubic root of 3881320339 is about 1571.5438232184.

The spelling of 3881320339 in words is "three billion, eight hundred eighty-one million, three hundred twenty thousand, three hundred thirty-nine".