3881402289 has 24 divisors (see below), whose sum is σ = 5972672160. Its totient is φ = 2421868032.

The previous prime is 3881402221. The next prime is 3881402297. The reversal of 3881402289 is 9822041883.

3881402289 is a `hidden beast` number, since 388 + 1 + 40 + 228 + 9 = 666.

It is not a de Polignac number, because 3881402289 - 2¹¹ = 3881400241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3881402299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122544 + ... + 150929.

It is an arithmetic number, because the mean of its divisors is an integer number (248861340).

Almost surely, 2^3881402289 is an apocalyptic number.

It is an amenable number.

3881402289 is a deficient number, since it is larger than the sum of its proper divisors (2091269871).

3881402289 is a wasteful number, since it uses less digits than its factorization.

3881402289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273581 (or 273578 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 3881402289 is about 62300.9011893087. The cubic root of 3881402289 is about 1571.5548836393.

The spelling of 3881402289 in words is "three billion, eight hundred eighty-one million, four hundred two thousand, two hundred eighty-nine".