8743489 has 2 divisors, whose sum is σ = 8743490. Its totient is φ = 8743488.

The previous prime is 8743459. The next prime is 8743499. The reversal of 8743489 is 9843478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 2862864 = 2425^2 + 1692^2 .

It is a cyclic number.

It is not a de Polignac number, because 8743489 - 2⁹ = 8742977 is a prime.

It is not a weakly prime, because it can be changed into another prime (8743409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4371744 + 4371745.

It is an arithmetic number, because the mean of its divisors is an integer number (4371745).

Almost surely, 2^8743489 is an apocalyptic number.

It is an amenable number.

8743489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8743489 is an equidigital number, since it uses as much as digits as its factorization.

8743489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 8743489 is about 2956.9391268675. The cubic root of 8743489 is about 206.0131405197.

The spelling of 8743489 in words is "eight million, seven hundred forty-three thousand, four hundred eighty-nine".