284300128 has 24 divisors (see below), whose sum is σ = 639675792. Its totient is φ = 121842816.

The previous prime is 284300111. The next prime is 284300131. The reversal of 284300128 is 821003482.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 284300096 and 284300105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634375 + ... + 634822.

It is an arithmetic number, because the mean of its divisors is an integer number (26653158).

Almost surely, 2^284300128 is an apocalyptic number.

284300128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

284300128 is an abundant number, since it is smaller than the sum of its proper divisors (355375664).

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

284300128 is a wasteful number, since it uses less digits than its factorization.

284300128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269214 (or 1269206 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 284300128 is about 16861.2018551466. The cubic root of 284300128 is about 657.5453109150.

The spelling of 284300128 in words is "two hundred eighty-four million, three hundred thousand, one hundred twenty-eight".