428268612 has 24 divisors (see below), whose sum is σ = 999806976. Its totient is φ = 142682848.

The previous prime is 428268587. The next prime is 428268613. The reversal of 428268612 is 216862824.

It is not an unprimeable number, because it can be changed into a prime (428268613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18493 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (41658624).

Almost surely, 2^428268612 is an apocalyptic number.

It is an amenable number.

428268612 is an abundant number, since it is smaller than the sum of its proper divisors (571538364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428268612 is a wasteful number, since it uses less digits than its factorization.

428268612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347 (or 18345 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 428268612 is about 20694.6517728615. The cubic root of 428268612 is about 753.7698265730.

The spelling of 428268612 in words is "four hundred twenty-eight million, two hundred sixty-eight thousand, six hundred twelve".