3857934 has 16 divisors (see below), whose sum is σ = 7735680. Its totient is φ = 1282680.

The previous prime is 3857921. The next prime is 3857941. The reversal of 3857934 is 4397583.

It is a junction number, because it is equal to n+sod(n) for n = 3857892 and 3857901.

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, 3277 + ... + 4295.

It is an arithmetic number, because the mean of its divisors is an integer number (483480).

Almost surely, 2^3857934 is an apocalyptic number.

3857934 is an abundant number, since it is smaller than the sum of its proper divisors (3877746).

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

3857934 is a wasteful number, since it uses less digits than its factorization.

3857934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its digits is 90720, while the sum is 39.

The square root of 3857934 is about 1964.1624169096. The cubic root of 3857934 is about 156.8381091860.

The spelling of 3857934 in words is "three million, eight hundred fifty-seven thousand, nine hundred thirty-four".