3881626 has 8 divisors (see below), whose sum is σ = 6654240. Its totient is φ = 1663548.

The previous prime is 3881611. The next prime is 3881659. The reversal of 3881626 is 6261883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3881591 and 3881600.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 138616 + ... + 138643.

It is an arithmetic number, because the mean of its divisors is an integer number (831780).

Almost surely, 2^3881626 is an apocalyptic number.

3881626 is a deficient number, since it is larger than the sum of its proper divisors (2772614).

3881626 is a wasteful number, since it uses less digits than its factorization.

3881626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277268.

The product of its digits is 13824, while the sum is 34.

The square root of 3881626 is about 1970.1842553426. The cubic root of 3881626 is about 157.1585076109.

The spelling of 3881626 in words is "three million, eight hundred eighty-one thousand, six hundred twenty-six".