428608286 has 8 divisors (see below), whose sum is σ = 643147560. Its totient is φ = 214225768.

The previous prime is 428608283. The next prime is 428608303. The reversal of 428608286 is 682806824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428608283) 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 3 ways as a sum of consecutive naturals, for example, 32096 + ... + 43443.

It is an arithmetic number, because the mean of its divisors is an integer number (80393445).

Almost surely, 2^428608286 is an apocalyptic number.

428608286 is a deficient number, since it is larger than the sum of its proper divisors (214539274).

428608286 is a wasteful number, since it uses less digits than its factorization.

428608286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78378.

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 428608286 is about 20702.8569526044. The cubic root of 428608286 is about 753.9690538371.

The spelling of 428608286 in words is "four hundred twenty-eight million, six hundred eight thousand, two hundred eighty-six".