8489943 has 24 divisors (see below), whose sum is σ = 15290496. Its totient is φ = 4410000.

The previous prime is 8489933. The next prime is 8489947. The reversal of 8489943 is 3499848.

It is a happy number.

8489943 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8489943 - 2⁴ = 8489927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8489947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5433 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (637104).

Almost surely, 2^8489943 is an apocalyptic number.

8489943 is a deficient number, since it is larger than the sum of its proper divisors (6800553).

8489943 is a wasteful number, since it uses less digits than its factorization.

8489943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275 (or 12272 counting only the distinct ones).

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

The square root of 8489943 is about 2913.7506756756. The cubic root of 8489943 is about 204.0022346929.

The spelling of 8489943 in words is "eight million, four hundred eighty-nine thousand, nine hundred forty-three".