8642480 has 160 divisors (see below), whose sum is σ = 26569728. Its totient is φ = 2534400.

The previous prime is 8642467. The next prime is 8642489. The reversal of 8642480 is 842468.

It is not an unprimeable number, because it can be changed into a prime (8642489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141650 + ... + 141710.

Almost surely, 2^8642480 is an apocalyptic number.

8642480 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 8642480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13284864).

8642480 is an abundant number, since it is smaller than the sum of its proper divisors (17927248).

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

8642480 is a wasteful number, since it uses less digits than its factorization.

8642480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8642480 is about 2939.8095176389. The cubic root of 8642480 is about 205.2167447802.

The spelling of 8642480 in words is "eight million, six hundred forty-two thousand, four hundred eighty".