3646841 has 8 divisors (see below), whose sum is σ = 4188000. Its totient is φ = 3140640.

The previous prime is 3646829. The next prime is 3646859. The reversal of 3646841 is 1486463.

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

It is a cyclic number.

It is not a de Polignac number, because 3646841 - 2¹⁸ = 3384697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3646798 and 3646807.

It is not an unprimeable number, because it can be changed into a prime (3646441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8516 + ... + 8933.

It is an arithmetic number, because the mean of its divisors is an integer number (523500).

Almost surely, 2^3646841 is an apocalyptic number.

It is an amenable number.

3646841 is a deficient number, since it is larger than the sum of its proper divisors (541159).

3646841 is a wasteful number, since it uses less digits than its factorization.

3646841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479.

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

The square root of 3646841 is about 1909.6703904077. The cubic root of 3646841 is about 153.9237408459.

The spelling of 3646841 in words is "three million, six hundred forty-six thousand, eight hundred forty-one".