3884857 has 4 divisors (see below), whose sum is σ = 4113396. Its totient is φ = 3656320.

The previous prime is 3884843. The next prime is 3884893. The reversal of 3884857 is 7584883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7584883 = 53 ⋅143111.

It can be written as a sum of positive squares in 2 ways, for example, as 3031081 + 853776 = 1741^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 3884857 - 2⁷ = 3884729 is a prime.

It is a super-2 number, since 2×3884857² = 30184227820898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3884807) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 114244 + ... + 114277.

It is an arithmetic number, because the mean of its divisors is an integer number (1028349).

Almost surely, 2^3884857 is an apocalyptic number.

It is an amenable number.

3884857 is a deficient number, since it is larger than the sum of its proper divisors (228539).

3884857 is a wasteful number, since it uses less digits than its factorization.

3884857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228538.

The product of its digits is 215040, while the sum is 43.

The square root of 3884857 is about 1971.0040588492. The cubic root of 3884857 is about 157.2021008812.

The spelling of 3884857 in words is "three million, eight hundred eighty-four thousand, eight hundred fifty-seven".