284848987 has 8 divisors (see below), whose sum is σ = 296952192. Its totient is φ = 272928000.

The previous prime is 284848981. The next prime is 284849003. The reversal of 284848987 is 789848482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 284848987 - 2³ = 284848979 is a prime.

It is a super-2 number, since 2×284848987² = 162277890789852338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284848981) by changing a digit.

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, 42358 + ... + 48619.

It is an arithmetic number, because the mean of its divisors is an integer number (37119024).

Almost surely, 2^284848987 is an apocalyptic number.

284848987 is a deficient number, since it is larger than the sum of its proper divisors (12103205).

284848987 is a wasteful number, since it uses less digits than its factorization.

284848987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91109.

The product of its digits is 8257536, while the sum is 58.

The square root of 284848987 is about 16877.4698044464. The cubic root of 284848987 is about 657.9681828833.

The spelling of 284848987 in words is "two hundred eighty-four million, eight hundred forty-eight thousand, nine hundred eighty-seven".