3871626 has 16 divisors (see below), whose sum is σ = 8447328. Its totient is φ = 1173200.

The previous prime is 3871619. The next prime is 3871657. The reversal of 3871626 is 6261783.

3871626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29265 + ... + 29396.

It is an arithmetic number, because the mean of its divisors is an integer number (527958).

Almost surely, 2^3871626 is an apocalyptic number.

3871626 is an abundant number, since it is smaller than the sum of its proper divisors (4575702).

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

3871626 is a wasteful number, since it uses less digits than its factorization.

3871626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58677.

The product of its digits is 12096, while the sum is 33.

The square root of 3871626 is about 1967.6447850158. The cubic root of 3871626 is about 157.0234322065.

The spelling of 3871626 in words is "three million, eight hundred seventy-one thousand, six hundred twenty-six".