8870489 has 2 divisors, whose sum is σ = 8870490. Its totient is φ = 8870488.

The previous prime is 8870483. The next prime is 8870497. The reversal of 8870489 is 9840788.

It is a happy number.

8870489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7382089 + 1488400 = 2717^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 8870489 - 2¹⁶ = 8804953 is a prime.

It is not a weakly prime, because it can be changed into another prime (8870483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4435244 + 4435245.

It is an arithmetic number, because the mean of its divisors is an integer number (4435245).

Almost surely, 2^8870489 is an apocalyptic number.

It is an amenable number.

8870489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8870489 is an equidigital number, since it uses as much as digits as its factorization.

8870489 is an evil number, because the sum of its binary digits is even.

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

The square root of 8870489 is about 2978.3366163011. The cubic root of 8870489 is about 207.0058031622.

Subtracting 8870489 from its reverse (9840788), we obtain a cube (970299 = 99³).

The spelling of 8870489 in words is "eight million, eight hundred seventy thousand, four hundred eighty-nine".