428015005 has 16 divisors (see below), whose sum is σ = 563169024. Its totient is φ = 309695680.

The previous prime is 428014999. The next prime is 428015009. The reversal of 428015005 is 500510824.

It is not a de Polignac number, because 428015005 - 2³ = 428014997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428015009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8917 + ... + 30586.

It is an arithmetic number, because the mean of its divisors is an integer number (35198064).

Almost surely, 2^428015005 is an apocalyptic number.

It is an amenable number.

428015005 is a deficient number, since it is larger than the sum of its proper divisors (135154019).

428015005 is a wasteful number, since it uses less digits than its factorization.

428015005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39716.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 428015005 is about 20688.5235094243. The cubic root of 428015005 is about 753.6210110518.

Adding to 428015005 its reverse (500510824), we get a palindrome (928525829).

The spelling of 428015005 in words is "four hundred twenty-eight million, fifteen thousand, five".