3804857 has 4 divisors (see below), whose sum is σ = 4348416. Its totient is φ = 3261300.

The previous prime is 3804811. The next prime is 3804859. The reversal of 3804857 is 7584083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7584083 = 13 ⋅583391.

It is not a de Polignac number, because 3804857 - 2¹² = 3800761 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271769 + ... + 271782.

It is an arithmetic number, because the mean of its divisors is an integer number (1087104).

Almost surely, 2^3804857 is an apocalyptic number.

It is an amenable number.

3804857 is a deficient number, since it is larger than the sum of its proper divisors (543559).

3804857 is an equidigital number, since it uses as much as digits as its factorization.

3804857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543558.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 3804857 is about 1950.6042653496. The cubic root of 3804857 is about 156.1155318838.

The spelling of 3804857 in words is "three million, eight hundred four thousand, eight hundred fifty-seven".