3857930 has 8 divisors (see below), whose sum is σ = 6944292. Its totient is φ = 1543168.

The previous prime is 3857921. The next prime is 3857941. The reversal of 3857930 is 397583.

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 51529 = 1951^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192887 + ... + 192906.

Almost surely, 2^3857930 is an apocalyptic number.

3857930 is a deficient number, since it is larger than the sum of its proper divisors (3086362).

3857930 is a wasteful number, since it uses less digits than its factorization.

3857930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385800.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3857930 is about 1964.1613986636. The cubic root of 3857930 is about 156.8380549814.

The spelling of 3857930 in words is "three million, eight hundred fifty-seven thousand, nine hundred thirty".