3857456 has 20 divisors (see below), whose sum is σ = 7867800. Its totient is φ = 1827072.

The previous prime is 3857449. The next prime is 3857459. The reversal of 3857456 is 6547583.

3857456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (3857459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6041 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (393390).

Almost surely, 2^3857456 is an apocalyptic number.

It is an amenable number.

3857456 is an abundant number, since it is smaller than the sum of its proper divisors (4010344).

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

3857456 is a wasteful number, since it uses less digits than its factorization.

3857456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716 (or 12710 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 3857456 is about 1964.0407327752. The cubic root of 3857456 is about 156.8316314777.

The spelling of 3857456 in words is "three million, eight hundred fifty-seven thousand, four hundred fifty-six".