284131768 has 16 divisors (see below), whose sum is σ = 540046080. Its totient is φ = 140119488.

The previous prime is 284131723. The next prime is 284131789. The reversal of 284131768 is 867131482.

It is a self number, because there is not a number n which added to its sum of digits gives 284131768.

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, 242680 + ... + 243847.

It is an arithmetic number, because the mean of its divisors is an integer number (33752880).

Almost surely, 2^284131768 is an apocalyptic number.

It is an amenable number.

284131768 is a deficient number, since it is larger than the sum of its proper divisors (255914312).

284131768 is a wasteful number, since it uses less digits than its factorization.

284131768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486606 (or 486602 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 284131768 is about 16856.2085891223. The cubic root of 284131768 is about 657.4154877955.

The spelling of 284131768 in words is "two hundred eighty-four million, one hundred thirty-one thousand, seven hundred sixty-eight".