3846641 has 8 divisors (see below), whose sum is σ = 4090824. Its totient is φ = 3604480.

The previous prime is 3846629. The next prime is 3846643. The reversal of 3846641 is 1466483.

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 2146225 = 1304^2 + 1465^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3846641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3846598 and 3846607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3846643) 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 7 ways as a sum of consecutive naturals, for example, 5681 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (511353).

Almost surely, 2^3846641 is an apocalyptic number.

It is an amenable number.

3846641 is a deficient number, since it is larger than the sum of its proper divisors (244183).

3846641 is a wasteful number, since it uses less digits than its factorization.

3846641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

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

The square root of 3846641 is about 1961.2855477977. The cubic root of 3846641 is about 156.6849266982.

The spelling of 3846641 in words is "three million, eight hundred forty-six thousand, six hundred forty-one".