447240089 has 2 divisors, whose sum is σ = 447240090. Its totient is φ = 447240088.

The previous prime is 447240077. The next prime is 447240113. The reversal of 447240089 is 980042744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227014489 + 220225600 = 15067^2 + 14840^2 .

It is a cyclic number.

It is not a de Polignac number, because 447240089 - 2¹² = 447235993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (447240389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223620044 + 223620045.

It is an arithmetic number, because the mean of its divisors is an integer number (223620045).

Almost surely, 2^447240089 is an apocalyptic number.

It is an amenable number.

447240089 is a deficient number, since it is larger than the sum of its proper divisors (1).

447240089 is an equidigital number, since it uses as much as digits as its factorization.

447240089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 447240089 is about 21148.0516596683. The cubic root of 447240089 is about 764.7395921161.

The spelling of 447240089 in words is "four hundred forty-seven million, two hundred forty thousand, eighty-nine".