428847804 has 288 divisors, whose sum is σ = 1447891200. Its totient is φ = 108501120.

The previous prime is 428847791. The next prime is 428847821. The reversal of 428847804 is 408748824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 428847804.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 3085167 + ... + 3085305.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^428847804 is an apocalyptic number.

428847804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428847804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723945600).

428847804 is an abundant number, since it is smaller than the sum of its proper divisors (1019043396).

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

428847804 is a wasteful number, since it uses less digits than its factorization.

428847804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 45.

The square root of 428847804 is about 20708.6408052291. The cubic root of 428847804 is about 754.1094738405.

The spelling of 428847804 in words is "four hundred twenty-eight million, eight hundred forty-seven thousand, eight hundred four".