284139712 has 28 divisors (see below), whose sum is σ = 564779160. Its totient is φ = 141833216.

The previous prime is 284139703. The next prime is 284139721. The reversal of 284139712 is 217931482.

284139712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (284139703) and next prime (284139721).

It is a zygodrome in base 6.

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, 38808 + ... + 45544.

Almost surely, 2^284139712 is an apocalyptic number.

It is an amenable number.

284139712 is a deficient number, since it is larger than the sum of its proper divisors (280639448).

284139712 is an equidigital number, since it uses as much as digits as its factorization.

284139712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408 (or 7398 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 284139712 is about 16856.4442276537. Note that the first 3 decimals coincide. The cubic root of 284139712 is about 657.4216146007.

The spelling of 284139712 in words is "two hundred eighty-four million, one hundred thirty-nine thousand, seven hundred twelve".