284286380 has 24 divisors (see below), whose sum is σ = 682287648. Its totient is φ = 97469568.

The previous prime is 284286377. The next prime is 284286397. The reversal of 284286380 is 83682482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015169 + ... + 1015448.

It is an arithmetic number, because the mean of its divisors is an integer number (28428652).

Almost surely, 2^284286380 is an apocalyptic number.

284286380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284286380 is an abundant number, since it is smaller than the sum of its proper divisors (398001268).

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

284286380 is a wasteful number, since it uses less digits than its factorization.

284286380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030633 (or 2030631 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 284286380 is about 16860.7941687217. The cubic root of 284286380 is about 657.5347116952.

The spelling of 284286380 in words is "two hundred eighty-four million, two hundred eighty-six thousand, three hundred eighty".