8720488 has 16 divisors (see below), whose sum is σ = 18686880. Its totient is φ = 3737328.

The previous prime is 8720483. The next prime is 8720489. The reversal of 8720488 is 8840278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720483) 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, 77806 + ... + 77917.

It is an arithmetic number, because the mean of its divisors is an integer number (1167930).

Almost surely, 2^8720488 is an apocalyptic number.

It is an amenable number.

8720488 is an abundant number, since it is smaller than the sum of its proper divisors (9966392).

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

8720488 is a wasteful number, since it uses less digits than its factorization.

8720488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155736 (or 155732 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 8720488 is about 2953.0472397170. The cubic root of 8720488 is about 205.8323328568.

The spelling of 8720488 in words is "eight million, seven hundred twenty thousand, four hundred eighty-eight".