428448005 has 16 divisors (see below), whose sum is σ = 552718080. Its totient is φ = 317806272.

The previous prime is 428447989. The next prime is 428448017. The reversal of 428448005 is 500844824.

It is a cyclic number.

It is not a de Polignac number, because 428448005 - 2⁴ = 428447989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43514 + ... + 52443.

It is an arithmetic number, because the mean of its divisors is an integer number (34544880).

Almost surely, 2^428448005 is an apocalyptic number.

It is an amenable number.

428448005 is a deficient number, since it is larger than the sum of its proper divisors (124270075).

428448005 is a wasteful number, since it uses less digits than its factorization.

428448005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96028.

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 428448005 is about 20698.9856031642. The cubic root of 428448005 is about 753.8750581579.

The spelling of 428448005 in words is "four hundred twenty-eight million, four hundred forty-eight thousand, five".