3881400585 has 16 divisors (see below), whose sum is σ = 6211886976. Its totient is φ = 2069531648.

The previous prime is 3881400563. The next prime is 3881400599. The reversal of 3881400585 is 5850041883.

It is a cyclic number.

It is not a de Polignac number, because 3881400585 - 2⁵ = 3881400553 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27817 + ... + 92393.

It is an arithmetic number, because the mean of its divisors is an integer number (388242936).

Almost surely, 2^3881400585 is an apocalyptic number.

It is an amenable number.

3881400585 is a deficient number, since it is larger than the sum of its proper divisors (2330486391).

3881400585 is a wasteful number, since it uses less digits than its factorization.

3881400585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68592.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 3881400585 is about 62300.8875137425. The cubic root of 3881400585 is about 1571.5546536597.

The spelling of 3881400585 in words is "three billion, eight hundred eighty-one million, four hundred thousand, five hundred eighty-five".