8938979 has 8 divisors (see below), whose sum is σ = 10237440. Its totient is φ = 7645896.

The previous prime is 8938961. The next prime is 8938997. The reversal of 8938979 is 9798398.

It is an interprime number because it is at equal distance from previous prime (8938961) and next prime (8938997).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8938979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8938979.

It is not an unprimeable number, because it can be changed into a prime (8938999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302 + ... + 5364.

It is an arithmetic number, because the mean of its divisors is an integer number (1279680).

Almost surely, 2^8938979 is an apocalyptic number.

8938979 is a deficient number, since it is larger than the sum of its proper divisors (1298461).

8938979 is a wasteful number, since it uses less digits than its factorization.

8938979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 979776, while the sum is 53.

The square root of 8938979 is about 2989.8125359293. The cubic root of 8938979 is about 207.5372091786.

The spelling of 8938979 in words is "eight million, nine hundred thirty-eight thousand, nine hundred seventy-nine".