8979520 has 56 divisors (see below), whose sum is σ = 23335488. Its totient is φ = 3264000.

The previous prime is 8979497. The next prime is 8979569. The reversal of 8979520 is 259798.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245 + ... + 4795.

Almost surely, 2^8979520 is an apocalyptic number.

8979520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8979520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11667744).

8979520 is an abundant number, since it is smaller than the sum of its proper divisors (14355968).

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

8979520 is a wasteful number, since it uses less digits than its factorization.

8979520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 8979520 is about 2996.5847226468. The cubic root of 8979520 is about 207.8504842660.

The spelling of 8979520 in words is "eight million, nine hundred seventy-nine thousand, five hundred twenty".