284842013 has 4 divisors (see below), whose sum is σ = 285387168. Its totient is φ = 284296860.

The previous prime is 284842009. The next prime is 284842037. The reversal of 284842013 is 310248482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 284842013 - 2² = 284842009 is a prime.

It is a super-2 number, since 2×284842013² = 162269944739784338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284842073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271793 + ... + 272838.

It is an arithmetic number, because the mean of its divisors is an integer number (71346792).

Almost surely, 2^284842013 is an apocalyptic number.

It is an amenable number.

284842013 is a deficient number, since it is larger than the sum of its proper divisors (545155).

284842013 is an equidigital number, since it uses as much as digits as its factorization.

284842013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545154.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 284842013 is about 16877.2631963835. The cubic root of 284842013 is about 657.9628131286.

The spelling of 284842013 in words is "two hundred eighty-four million, eight hundred forty-two thousand, thirteen".