3889663 has 8 divisors (see below), whose sum is σ = 4038656. Its totient is φ = 3742200.

The previous prime is 3889657. The next prime is 3889667. The reversal of 3889663 is 3669883.

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 3889663 - 2⁵ = 3889631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8170 + ... + 8632.

It is an arithmetic number, because the mean of its divisors is an integer number (504832).

Almost surely, 2^3889663 is an apocalyptic number.

3889663 is a deficient number, since it is larger than the sum of its proper divisors (148993).

3889663 is a wasteful number, since it uses less digits than its factorization.

3889663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its digits is 186624, while the sum is 43.

The square root of 3889663 is about 1972.2228575899. Note that the first 3 decimals coincide. The cubic root of 3889663 is about 157.2668996592.

The spelling of 3889663 in words is "three million, eight hundred eighty-nine thousand, six hundred sixty-three".