8979438 has 64 divisors (see below), whose sum is σ = 20885760. Its totient is φ = 2550528.

The previous prime is 8979433. The next prime is 8979461. The reversal of 8979438 is 8349798.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979431) 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 31 ways as a sum of consecutive naturals, for example, 108145 + ... + 108227.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^8979438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8979438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10442880).

8979438 is an abundant number, since it is smaller than the sum of its proper divisors (11906322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8979438 is a wasteful number, since it uses less digits than its factorization.

8979438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 435456, while the sum is 48.

The square root of 8979438 is about 2996.5710403726. The cubic root of 8979438 is about 207.8498515747.

The spelling of 8979438 in words is "eight million, nine hundred seventy-nine thousand, four hundred thirty-eight".