428862384 has 40 divisors (see below), whose sum is σ = 1230995120. Its totient is φ = 142953984.

The previous prime is 428862361. The next prime is 428862397. The reversal of 428862384 is 483268824.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 495937 + ... + 496800.

It is an arithmetic number, because the mean of its divisors is an integer number (30774878).

Almost surely, 2^428862384 is an apocalyptic number.

It is an amenable number.

428862384 is an abundant number, since it is smaller than the sum of its proper divisors (802132736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428862384 is a wasteful number, since it uses less digits than its factorization.

428862384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992754 (or 992742 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 428862384 is about 20708.9928292035. The cubic root of 428862384 is about 754.1180198339.

The spelling of 428862384 in words is "four hundred twenty-eight million, eight hundred sixty-two thousand, three hundred eighty-four".