8979493 has 4 divisors (see below), whose sum is σ = 9222220. Its totient is φ = 8736768.

The previous prime is 8979479. The next prime is 8979497. The reversal of 8979493 is 3949798.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8567329 + 412164 = 2927^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 8979493 - 2⁵ = 8979461 is a prime.

It is a d-powerful number, because it can be written as 8 + 9 + 7 + 9 + 4¹¹ + 9⁷ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121308 + ... + 121381.

It is an arithmetic number, because the mean of its divisors is an integer number (2305555).

Almost surely, 2^8979493 is an apocalyptic number.

It is an amenable number.

8979493 is a deficient number, since it is larger than the sum of its proper divisors (242727).

8979493 is a wasteful number, since it uses less digits than its factorization.

8979493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242726.

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

The square root of 8979493 is about 2996.5802175146. The cubic root of 8979493 is about 207.8502759412.

The spelling of 8979493 in words is "eight million, nine hundred seventy-nine thousand, four hundred ninety-three".