428973112 has 16 divisors (see below), whose sum is σ = 815343840. Its totient is φ = 211548096.

The previous prime is 428973101. The next prime is 428973137. The reversal of 428973112 is 211379824.

It is a super-3 number, since 3×428973112³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 366688 + ... + 367855.

It is an arithmetic number, because the mean of its divisors is an integer number (50958990).

Almost surely, 2^428973112 is an apocalyptic number.

It is an amenable number.

428973112 is a deficient number, since it is larger than the sum of its proper divisors (386370728).

428973112 is a wasteful number, since it uses less digits than its factorization.

428973112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734622 (or 734618 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 428973112 is about 20711.6660846007. Note that the first 3 decimals coincide. The cubic root of 428973112 is about 754.1829161719.

The spelling of 428973112 in words is "four hundred twenty-eight million, nine hundred seventy-three thousand, one hundred twelve".