3889443 has 4 divisors (see below), whose sum is σ = 5185928. Its totient is φ = 2592960.

The previous prime is 3889441. The next prime is 3889453. The reversal of 3889443 is 3449883.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3889443 - 2¹ = 3889441 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3889441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648238 + ... + 648243.

It is an arithmetic number, because the mean of its divisors is an integer number (1296482).

Almost surely, 2^3889443 is an apocalyptic number.

3889443 is a deficient number, since it is larger than the sum of its proper divisors (1296485).

3889443 is a wasteful number, since it uses less digits than its factorization.

3889443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296484.

The product of its digits is 82944, while the sum is 39.

The square root of 3889443 is about 1972.1670821713. The cubic root of 3889443 is about 157.2639345891.

The spelling of 3889443 in words is "three million, eight hundred eighty-nine thousand, four hundred forty-three".