8720260 has 12 divisors (see below), whose sum is σ = 18312588. Its totient is φ = 3488096.

The previous prime is 8720233. The next prime is 8720281. The reversal of 8720260 is 620278.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 2883204 = 2416^2 + 1698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217987 + ... + 218026.

It is an arithmetic number, because the mean of its divisors is an integer number (1526049).

Almost surely, 2^8720260 is an apocalyptic number.

It is an amenable number.

8720260 is an abundant number, since it is smaller than the sum of its proper divisors (9592328).

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

8720260 is a wasteful number, since it uses less digits than its factorization.

8720260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436022 (or 436020 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8720260 is about 2953.0086352735. The cubic root of 8720260 is about 205.8305389900.

The spelling of 8720260 in words is "eight million, seven hundred twenty thousand, two hundred sixty".