3864641 has 8 divisors (see below), whose sum is σ = 4231200. Its totient is φ = 3500640.

The previous prime is 3864629. The next prime is 3864643. The reversal of 3864641 is 1464683.

3864641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3864641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3864598 and 3864607.

It is not an unprimeable number, because it can be changed into a prime (3864643) 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 7 ways as a sum of consecutive naturals, for example, 4070 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (528900).

Almost surely, 2^3864641 is an apocalyptic number.

It is an amenable number.

3864641 is a deficient number, since it is larger than the sum of its proper divisors (366559).

3864641 is a wasteful number, since it uses less digits than its factorization.

3864641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its digits is 13824, while the sum is 32.

The square root of 3864641 is about 1965.8690190346. The cubic root of 3864641 is about 156.9289440045.

The spelling of 3864641 in words is "three million, eight hundred sixty-four thousand, six hundred forty-one".