428717060 has 12 divisors (see below), whose sum is σ = 900305868. Its totient is φ = 171486816.

The previous prime is 428717041. The next prime is 428717071. The reversal of 428717060 is 60717824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55145476 + 373571584 = 7426^2 + 19328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 428717060.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10717907 + ... + 10717946.

It is an arithmetic number, because the mean of its divisors is an integer number (75025489).

Almost surely, 2^428717060 is an apocalyptic number.

It is an amenable number.

428717060 is an abundant number, since it is smaller than the sum of its proper divisors (471588808).

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

428717060 is a wasteful number, since it uses less digits than its factorization.

428717060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435862 (or 21435860 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 428717060 is about 20705.4838146806. The cubic root of 428717060 is about 754.0328302469.

The spelling of 428717060 in words is "four hundred twenty-eight million, seven hundred seventeen thousand, sixty".