428028014 has 8 divisors (see below), whose sum is σ = 645887088. Its totient is φ = 212732320.

The previous prime is 428027983. The next prime is 428028017. The reversal of 428028014 is 410820824.

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 (428028017) 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, 640427 + ... + 641094.

It is an arithmetic number, because the mean of its divisors is an integer number (80735886).

Almost surely, 2^428028014 is an apocalyptic number.

428028014 is a deficient number, since it is larger than the sum of its proper divisors (217859074).

428028014 is a wasteful number, since it uses less digits than its factorization.

428028014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281690.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 428028014 is about 20688.8379083988. The cubic root of 428028014 is about 753.6286461085.

Adding to 428028014 its reverse (410820824), we get a palindrome (838848838).

The spelling of 428028014 in words is "four hundred twenty-eight million, twenty-eight thousand, fourteen".