284729472 has 64 divisors (see below), whose sum is σ = 840357600. Its totient is φ = 94908672.

The previous prime is 284729441. The next prime is 284729479. The reversal of 284729472 is 274927482.

284729472 is a `hidden beast` number, since 28 + 472 + 94 + 72 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (284729479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37738 + ... + 44649.

Almost surely, 2^284729472 is an apocalyptic number.

It is an amenable number.

284729472 is an abundant number, since it is smaller than the sum of its proper divisors (555628128).

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

284729472 is an equidigital number, since it uses as much as digits as its factorization.

284729472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82410 (or 82392 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 284729472 is about 16873.9287659987. The cubic root of 284729472 is about 657.8761480725.

The spelling of 284729472 in words is "two hundred eighty-four million, seven hundred twenty-nine thousand, four hundred seventy-two".