8701489 has 2 divisors, whose sum is σ = 8701490. Its totient is φ = 8701488.

The previous prime is 8701477. The next prime is 8701493. The reversal of 8701489 is 9841078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8456464 + 245025 = 2908^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 8701489 - 2⁵ = 8701457 is a prime.

It is not a weakly prime, because it can be changed into another prime (8701409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350744 + 4350745.

It is an arithmetic number, because the mean of its divisors is an integer number (4350745).

Almost surely, 2^8701489 is an apocalyptic number.

It is an amenable number.

8701489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8701489 is an equidigital number, since it uses as much as digits as its factorization.

8701489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8701489 is about 2949.8286390908. The cubic root of 8701489 is about 205.6827444431.

The spelling of 8701489 in words is "eight million, seven hundred one thousand, four hundred eighty-nine".