8119643 has 6 divisors (see below), whose sum is σ = 9445356. Its totient is φ = 6959652.

The previous prime is 8119637. The next prime is 8119651. The reversal of 8119643 is 3469118.

It is a happy number.

It is not a de Polignac number, because 8119643 - 2⁴ = 8119627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8119603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82805 + ... + 82902.

It is an arithmetic number, because the mean of its divisors is an integer number (1574226).

Almost surely, 2^8119643 is an apocalyptic number.

8119643 is a deficient number, since it is larger than the sum of its proper divisors (1325713).

8119643 is a wasteful number, since it uses less digits than its factorization.

8119643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165721 (or 165714 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 8119643 is about 2849.4987278467. The cubic root of 8119643 is about 200.9920955944.

The spelling of 8119643 in words is "eight million, one hundred nineteen thousand, six hundred forty-three".