284489868732 has 48 divisors (see below), whose sum is σ = 665326136832. Its totient is φ = 94613460480.

The previous prime is 284489868701. The next prime is 284489868749. The reversal of 284489868732 is 237868984482.

It is a super-2 number, since 2×284489868732² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21086893 + ... + 21100379.

It is an arithmetic number, because the mean of its divisors is an integer number (13860961184).

Almost surely, 2^284489868732 is an apocalyptic number.

It is an amenable number.

284489868732 is an abundant number, since it is smaller than the sum of its proper divisors (380836268100).

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

284489868732 is a wasteful number, since it uses less digits than its factorization.

284489868732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17378 (or 17376 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 69.

The spelling of 284489868732 in words is "two hundred eighty-four billion, four hundred eighty-nine million, eight hundred sixty-eight thousand, seven hundred thirty-two".