8427049 has 2 divisors, whose sum is σ = 8427050. Its totient is φ = 8427048.

The previous prime is 8427043. The next prime is 8427077. The reversal of 8427049 is 9407248.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8369449 + 57600 = 2893^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 8427049 - 2¹³ = 8418857 is a prime.

It is not a weakly prime, because it can be changed into another prime (8427043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4213524 + 4213525.

It is an arithmetic number, because the mean of its divisors is an integer number (4213525).

Almost surely, 2^8427049 is an apocalyptic number.

It is an amenable number.

8427049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8427049 is an equidigital number, since it uses as much as digits as its factorization.

8427049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8427049 is about 2902.9379945152. The cubic root of 8427049 is about 203.4972320615.

The spelling of 8427049 in words is "eight million, four hundred twenty-seven thousand, forty-nine".