8708489 has 16 divisors (see below), whose sum is σ = 9461760. Its totient is φ = 7998480.

The previous prime is 8708461. The next prime is 8708501. The reversal of 8708489 is 9848078.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8708489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8708429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62582 + ... + 62720.

It is an arithmetic number, because the mean of its divisors is an integer number (591360).

Almost surely, 2^8708489 is an apocalyptic number.

It is an amenable number.

8708489 is a deficient number, since it is larger than the sum of its proper divisors (753271).

8708489 is a wasteful number, since it uses less digits than its factorization.

8708489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 8708489 is about 2951.0149101623. The cubic root of 8708489 is about 205.7378841746.

The spelling of 8708489 in words is "eight million, seven hundred eight thousand, four hundred eighty-nine".