3889863 has 10 divisors (see below), whose sum is σ = 5810904. Its totient is φ = 2593188.

The previous prime is 3889859. The next prime is 3889867. The reversal of 3889863 is 3689883.

It is an interprime number because it is at equal distance from previous prime (3889859) and next prime (3889867).

It is not a de Polignac number, because 3889863 - 2² = 3889859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889867) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23931 + ... + 24092.

Almost surely, 2^3889863 is an apocalyptic number.

3889863 is a deficient number, since it is larger than the sum of its proper divisors (1921041).

3889863 is an equidigital number, since it uses as much as digits as its factorization.

3889863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48035 (or 48026 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3889863 is about 1972.2735611471. The cubic root of 3889863 is about 157.2695950805.

The spelling of 3889863 in words is "three million, eight hundred eighty-nine thousand, eight hundred sixty-three".