3863561 has 8 divisors (see below), whose sum is σ = 4295424. Its totient is φ = 3450960.

The previous prime is 3863549. The next prime is 3863569. The reversal of 3863561 is 1653683.

3863561 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3863561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3863569) 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, 4391 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (536928).

Almost surely, 2^3863561 is an apocalyptic number.

3863561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3863561 is a deficient number, since it is larger than the sum of its proper divisors (431863).

3863561 is a wasteful number, since it uses less digits than its factorization.

3863561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631.

The product of its digits is 12960, while the sum is 32.

The square root of 3863561 is about 1965.5943121611. The cubic root of 3863561 is about 156.9143243585.

The spelling of 3863561 in words is "three million, eight hundred sixty-three thousand, five hundred sixty-one".