284395480 has 16 divisors (see below), whose sum is σ = 639889920. Its totient is φ = 113758176.

The previous prime is 284395471. The next prime is 284395493. The reversal of 284395480 is 84593482.

284395480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554904 + ... + 3554983.

It is an arithmetic number, because the mean of its divisors is an integer number (39993120).

Almost surely, 2^284395480 is an apocalyptic number.

284395480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284395480 is an abundant number, since it is smaller than the sum of its proper divisors (355494440).

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

284395480 is a wasteful number, since it uses less digits than its factorization.

284395480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109898 (or 7109894 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 284395480 is about 16864.0291745478. The cubic root of 284395480 is about 657.6188145192.

The spelling of 284395480 in words is "two hundred eighty-four million, three hundred ninety-five thousand, four hundred eighty".