428930812 has 12 divisors (see below), whose sum is σ = 751857736. Its totient is φ = 214114320.

The previous prime is 428930779. The next prime is 428930813. The reversal of 428930812 is 218039824.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428930813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85014 + ... + 89917.

Almost surely, 2^428930812 is an apocalyptic number.

It is an amenable number.

428930812 is a deficient number, since it is larger than the sum of its proper divisors (322926924).

428930812 is a wasteful number, since it uses less digits than its factorization.

428930812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175548 (or 175546 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 428930812 is about 20710.6448958018. The cubic root of 428930812 is about 754.1581259732.

The spelling of 428930812 in words is "four hundred twenty-eight million, nine hundred thirty thousand, eight hundred twelve".