284748672 has 64 divisors (see below), whose sum is σ = 814559760. Its totient is φ = 87613440.

The previous prime is 284748661. The next prime is 284748677. The reversal of 284748672 is 276847482.

It is a happy number.

284748672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284748677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23529 + ... + 33512.

Almost surely, 2^284748672 is an apocalyptic number.

It is an amenable number.

284748672 is an abundant number, since it is smaller than the sum of its proper divisors (529811088).

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

284748672 is a wasteful number, since it uses less digits than its factorization.

284748672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57071 (or 57059 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The square root of 284748672 is about 16874.4976814126. The cubic root of 284748672 is about 657.8909351357.

The spelling of 284748672 in words is "two hundred eighty-four million, seven hundred forty-eight thousand, six hundred seventy-two".