428568210 has 96 divisors (see below), whose sum is σ = 1299542400. Its totient is φ = 97951392.

The previous prime is 428568209. The next prime is 428568221. The reversal of 428568210 is 12865824.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23929 + ... + 37811.

It is an arithmetic number, because the mean of its divisors is an integer number (13536900).

Almost surely, 2^428568210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428568210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649771200).

428568210 is an abundant number, since it is smaller than the sum of its proper divisors (870974190).

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

428568210 is a wasteful number, since it uses less digits than its factorization.

428568210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13917 (or 13900 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 428568210 is about 20701.8890442394. The cubic root of 428568210 is about 753.9455537427.

The spelling of 428568210 in words is "four hundred twenty-eight million, five hundred sixty-eight thousand, two hundred ten".