428244828 has 48 divisors (see below), whose sum is σ = 1091301120. Its totient is φ = 129625600.

The previous prime is 428244811. The next prime is 428244829. The reversal of 428244828 is 828442824.

It is a self number, because there is not a number n which added to its sum of digits gives 428244828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428244829) 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, 204748 + ... + 206828.

It is an arithmetic number, because the mean of its divisors is an integer number (22735440).

Almost surely, 2^428244828 is an apocalyptic number.

It is an amenable number.

428244828 is an abundant number, since it is smaller than the sum of its proper divisors (663056292).

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

428244828 is a wasteful number, since it uses less digits than its factorization.

428244828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3656 counting only the distinct ones).

The product of its digits is 262144, while the sum is 42.

The square root of 428244828 is about 20694.0771236603. The cubic root of 428244828 is about 753.7558727187.

The spelling of 428244828 in words is "four hundred twenty-eight million, two hundred forty-four thousand, eight hundred twenty-eight".