8461489 has 2 divisors, whose sum is σ = 8461490. Its totient is φ = 8461488.

The previous prime is 8461483. The next prime is 8461507. The reversal of 8461489 is 9841648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8025889 + 435600 = 2833^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461489 - 2⁷ = 8461361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8461483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230744 + 4230745.

It is an arithmetic number, because the mean of its divisors is an integer number (4230745).

Almost surely, 2^8461489 is an apocalyptic number.

It is an amenable number.

8461489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461489 is an equidigital number, since it uses as much as digits as its factorization.

8461489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 8461489 is about 2908.8638675607. The cubic root of 8461489 is about 203.7740754669.

The spelling of 8461489 in words is "eight million, four hundred sixty-one thousand, four hundred eighty-nine".