3893561 has 8 divisors (see below), whose sum is σ = 4711680. Its totient is φ = 3140928.

The previous prime is 3893557. The next prime is 3893563. The reversal of 3893561 is 1653983.

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

It is not a de Polignac number, because 3893561 - 2² = 3893557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3893563) 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, 16241 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (588960).

Almost surely, 2^3893561 is an apocalyptic number.

It is an amenable number.

3893561 is a deficient number, since it is larger than the sum of its proper divisors (818119).

3893561 is a wasteful number, since it uses less digits than its factorization.

3893561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32743.

The product of its digits is 19440, while the sum is 35.

The square root of 3893561 is about 1973.2108351618. The cubic root of 3893561 is about 157.3194167803.

The spelling of 3893561 in words is "three million, eight hundred ninety-three thousand, five hundred sixty-one".