428286338 has 8 divisors (see below), whose sum is σ = 680219532. Its totient is φ = 201546496.

The previous prime is 428286317. The next prime is 428286347. The reversal of 428286338 is 833682824.

It can be written as a sum of positive squares in 2 ways, for example, as 427786489 + 499849 = 20683^2 + 707^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6298295 + ... + 6298362.

Almost surely, 2^428286338 is an apocalyptic number.

428286338 is a deficient number, since it is larger than the sum of its proper divisors (251933194).

428286338 is a wasteful number, since it uses less digits than its factorization.

428286338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596676.

The product of its digits is 442368, while the sum is 44.

The square root of 428286338 is about 20695.0800433340. The cubic root of 428286338 is about 753.7802259183.

The spelling of 428286338 in words is "four hundred twenty-eight million, two hundred eighty-six thousand, three hundred thirty-eight".