3857166 has 16 divisors (see below), whose sum is σ = 8571600. Its totient is φ = 1285704.

The previous prime is 3857153. The next prime is 3857167. The reversal of 3857166 is 6617583.

It is a d-powerful number, because it can be written as 3⁷ + 8⁷ + 5⁷ + 7² + 1 + 6² + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3857166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857167) 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, 35661 + ... + 35768.

It is an arithmetic number, because the mean of its divisors is an integer number (535725).

Almost surely, 2^3857166 is an apocalyptic number.

3857166 is an abundant number, since it is smaller than the sum of its proper divisors (4714434).

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

3857166 is a wasteful number, since it uses less digits than its factorization.

3857166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71440 (or 71434 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3857166 is about 1963.9669039981. The cubic root of 3857166 is about 156.8277012266.

The spelling of 3857166 in words is "three million, eight hundred fifty-seven thousand, one hundred sixty-six".