8879643 has 12 divisors (see below), whose sum is σ = 12852840. Its totient is φ = 5907456.

The previous prime is 8879641. The next prime is 8879659. The reversal of 8879643 is 3469788.

It is a happy number.

It is not a de Polignac number, because 8879643 - 2¹ = 8879641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8879641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6280 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (1071070).

Almost surely, 2^8879643 is an apocalyptic number.

8879643 is a deficient number, since it is larger than the sum of its proper divisors (3973197).

8879643 is a wasteful number, since it uses less digits than its factorization.

8879643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2055 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8879643 is about 2979.8729838703. The cubic root of 8879643 is about 207.0769859971.

The spelling of 8879643 in words is "eight million, eight hundred seventy-nine thousand, six hundred forty-three".