448396987 has 2 divisors, whose sum is σ = 448396988. Its totient is φ = 448396986.

The previous prime is 448396961. The next prime is 448396999. The reversal of 448396987 is 789693844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448396987 - 2⁷ = 448396859 is a prime.

It is not a weakly prime, because it can be changed into another prime (448396957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224198493 + 224198494.

It is an arithmetic number, because the mean of its divisors is an integer number (224198494).

Almost surely, 2^448396987 is an apocalyptic number.

448396987 is a deficient number, since it is larger than the sum of its proper divisors (1).

448396987 is an equidigital number, since it uses as much as digits as its factorization.

448396987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 58.

The square root of 448396987 is about 21175.3863483054. The cubic root of 448396987 is about 765.3984209095.

The spelling of 448396987 in words is "four hundred forty-eight million, three hundred ninety-six thousand, nine hundred eighty-seven".