3884641 has 4 divisors (see below), whose sum is σ = 4009984. Its totient is φ = 3759300.

The previous prime is 3884609. The next prime is 3884659. The reversal of 3884641 is 1464883.

3884641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1464883 = 7 ⋅209269.

It is a cyclic number.

It is not a de Polignac number, because 3884641 - 2⁵ = 3884609 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3884597 and 3884606.

It is not an unprimeable number, because it can be changed into a prime (3884141) 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, 62625 + ... + 62686.

It is an arithmetic number, because the mean of its divisors is an integer number (1002496).

Almost surely, 2^3884641 is an apocalyptic number.

3884641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3884641 is a deficient number, since it is larger than the sum of its proper divisors (125343).

3884641 is a wasteful number, since it uses less digits than its factorization.

3884641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125342.

The product of its digits is 18432, while the sum is 34.

The square root of 3884641 is about 1970.9492636798. The cubic root of 3884641 is about 157.1991873219.

The spelling of 3884641 in words is "three million, eight hundred eighty-four thousand, six hundred forty-one".