8943979 has 4 divisors (see below), whose sum is σ = 9757080. Its totient is φ = 8130880.

The previous prime is 8943971. The next prime is 8944009. The reversal of 8943979 is 9793498.

8943979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8943979 - 2³ = 8943971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8943971) 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, 406534 + ... + 406555.

It is an arithmetic number, because the mean of its divisors is an integer number (2439270).

Almost surely, 2^8943979 is an apocalyptic number.

8943979 is a deficient number, since it is larger than the sum of its proper divisors (813101).

8943979 is a wasteful number, since it uses less digits than its factorization.

8943979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813100.

The product of its digits is 489888, while the sum is 49.

The square root of 8943979 is about 2990.6485918610. The cubic root of 8943979 is about 207.5758971402.

The spelling of 8943979 in words is "eight million, nine hundred forty-three thousand, nine hundred seventy-nine".