3857606 has 16 divisors (see below), whose sum is σ = 6394464. Its totient is φ = 1736064.

The previous prime is 3857569. The next prime is 3857611. The reversal of 3857606 is 6067583.

It is a happy number.

It is a super-2 number, since 2×3857606² = 29762248102472, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1685 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (399654).

Almost surely, 2^3857606 is an apocalyptic number.

3857606 is a deficient number, since it is larger than the sum of its proper divisors (2536858).

3857606 is a wasteful number, since it uses less digits than its factorization.

3857606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3857606 is about 1964.0789189847. The cubic root of 3857606 is about 156.8336642890.

The spelling of 3857606 in words is "three million, eight hundred fifty-seven thousand, six hundred six".