3857144 has 32 divisors (see below), whose sum is σ = 7587840. Its totient is φ = 1836000.

The previous prime is 3857141. The next prime is 3857153. The reversal of 3857144 is 4417583.

It is a self number, because there is not a number n which added to its sum of digits gives 3857144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857141) 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, 25469 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (237120).

Almost surely, 2^3857144 is an apocalyptic number.

It is an amenable number.

3857144 is a deficient number, since it is larger than the sum of its proper divisors (3730696).

3857144 is a wasteful number, since it uses less digits than its factorization.

3857144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 287 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 3857144 is about 1963.9613030811. The cubic root of 3857144 is about 156.8274030615.

The spelling of 3857144 in words is "three million, eight hundred fifty-seven thousand, one hundred forty-four".