8993489 has 2 divisors, whose sum is σ = 8993490. Its totient is φ = 8993488.

The previous prime is 8993471. The next prime is 8993507. The reversal of 8993489 is 9843998.

It is a balanced prime because it is at equal distance from previous prime (8993471) and next prime (8993507).

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 2917264 = 2465^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 8993489 - 2⁸ = 8993233 is a prime.

It is not a weakly prime, because it can be changed into another prime (8993419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4496744 + 4496745.

It is an arithmetic number, because the mean of its divisors is an integer number (4496745).

Almost surely, 2^8993489 is an apocalyptic number.

It is an amenable number.

8993489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8993489 is an equidigital number, since it uses as much as digits as its factorization.

8993489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 8993489 is about 2998.9146369979. The cubic root of 8993489 is about 207.9582093679.

The spelling of 8993489 in words is "eight million, nine hundred ninety-three thousand, four hundred eighty-nine".