3857446 has 16 divisors (see below), whose sum is σ = 5959008. Its totient is φ = 1872000.

The previous prime is 3857443. The next prime is 3857449. The reversal of 3857446 is 6447583.

It is an interprime number because it is at equal distance from previous prime (3857443) and next prime (3857449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15886 + ... + 16126.

It is an arithmetic number, because the mean of its divisors is an integer number (372438).

Almost surely, 2^3857446 is an apocalyptic number.

3857446 is a deficient number, since it is larger than the sum of its proper divisors (2101562).

3857446 is a wasteful number, since it uses less digits than its factorization.

3857446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its digits is 80640, while the sum is 37.

The square root of 3857446 is about 1964.0381870015. The cubic root of 3857446 is about 156.8314959551.

The spelling of 3857446 in words is "three million, eight hundred fifty-seven thousand, four hundred forty-six".