4286728 has 16 divisors (see below), whose sum is σ = 8091180. Its totient is φ = 2129088.

The previous prime is 4286719. The next prime is 4286731. The reversal of 4286728 is 8276824.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 116964 = 2042^2 + 342^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451 + ... + 2962.

Almost surely, 2^4286728 is an apocalyptic number.

It is an amenable number.

4286728 is a deficient number, since it is larger than the sum of its proper divisors (3804452).

4286728 is a wasteful number, since it uses less digits than its factorization.

4286728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576 (or 3572 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 4286728 is about 2070.4414988113. The cubic root of 4286728 is about 162.4458580971.

The spelling of 4286728 in words is "four million, two hundred eighty-six thousand, seven hundred twenty-eight".