448000387 has 2 divisors, whose sum is σ = 448000388. Its totient is φ = 448000386.

The previous prime is 448000369. The next prime is 448000429. The reversal of 448000387 is 783000844.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448000387 is a prime.

It is not a weakly prime, because it can be changed into another prime (448007387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224000193 + 224000194.

It is an arithmetic number, because the mean of its divisors is an integer number (224000194).

Almost surely, 2^448000387 is an apocalyptic number.

448000387 is a deficient number, since it is larger than the sum of its proper divisors (1).

448000387 is an equidigital number, since it uses as much as digits as its factorization.

448000387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 448000387 is about 21166.0196305304. The cubic root of 448000387 is about 765.1726934376.

The spelling of 448000387 in words is "four hundred forty-eight million, three hundred eighty-seven", and thus it is an aban number.