3861606 has 16 divisors (see below), whose sum is σ = 8826624. Its totient is φ = 1103304.

The previous prime is 3861593. The next prime is 3861607. The reversal of 3861606 is 6061683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861607) 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 7 ways as a sum of consecutive naturals, for example, 45930 + ... + 46013.

It is an arithmetic number, because the mean of its divisors is an integer number (551664).

Almost surely, 2^3861606 is an apocalyptic number.

3861606 is an abundant number, since it is smaller than the sum of its proper divisors (4965018).

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

3861606 is a wasteful number, since it uses less digits than its factorization.

3861606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91955.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3861606 is about 1965.0969441735. The cubic root of 3861606 is about 156.8878531608.

It can be divided in two parts, 386 and 1606, that multiplied together give a palindrome (619916).

The spelling of 3861606 in words is "three million, eight hundred sixty-one thousand, six hundred six".