3881586 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 1207440.

The previous prime is 3881573. The next prime is 3881587. The reversal of 3881586 is 6851883.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3881587) by changing a digit.

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, 8791 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^3881586 is an apocalyptic number.

3881586 is an abundant number, since it is smaller than the sum of its proper divisors (4412814).

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

3881586 is a wasteful number, since it uses less digits than its factorization.

3881586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 46080, while the sum is 39.

The square root of 3881586 is about 1970.1741039817. The cubic root of 3881586 is about 157.1579677717.

The spelling of 3881586 in words is "three million, eight hundred eighty-one thousand, five hundred eighty-six".