428588733 has 16 divisors (see below), whose sum is σ = 591159296. Its totient is φ = 275911920.

The previous prime is 428588729. The next prime is 428588737. The reversal of 428588733 is 337885824.

It is an interprime number because it is at equal distance from previous prime (428588729) and next prime (428588737).

It is not a de Polignac number, because 428588733 - 2² = 428588729 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428588737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40560 + ... + 50022.

It is an arithmetic number, because the mean of its divisors is an integer number (36947456).

Almost surely, 2^428588733 is an apocalyptic number.

It is an amenable number.

428588733 is a deficient number, since it is larger than the sum of its proper divisors (162570563).

428588733 is a wasteful number, since it uses less digits than its factorization.

428588733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984.

The product of its digits is 1290240, while the sum is 48.

The square root of 428588733 is about 20702.3847177082. The cubic root of 428588733 is about 753.9575883712.

The spelling of 428588733 in words is "four hundred twenty-eight million, five hundred eighty-eight thousand, seven hundred thirty-three".