448430987 has 2 divisors, whose sum is σ = 448430988. Its totient is φ = 448430986.

The previous prime is 448430929. The next prime is 448430999. The reversal of 448430987 is 789034844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448430987 - 2¹⁶ = 448365451 is a prime.

It is not a weakly prime, because it can be changed into another prime (448438987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224215493 + 224215494.

It is an arithmetic number, because the mean of its divisors is an integer number (224215494).

Almost surely, 2^448430987 is an apocalyptic number.

448430987 is a deficient number, since it is larger than the sum of its proper divisors (1).

448430987 is an equidigital number, since it uses as much as digits as its factorization.

448430987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 448430987 is about 21176.1891519697. The cubic root of 448430987 is about 765.4177660354.

The spelling of 448430987 in words is "four hundred forty-eight million, four hundred thirty thousand, nine hundred eighty-seven".