284877313 has 8 divisors (see below), whose sum is σ = 344725632. Its totient is φ = 229816896.

The previous prime is 284877301. The next prime is 284877323. The reversal of 284877313 is 313778482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 284877313 - 2²¹ = 282780161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284877313.

It is not an unprimeable number, because it can be changed into a prime (284877323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196845 + ... + 1197082.

It is an arithmetic number, because the mean of its divisors is an integer number (43090704).

Almost surely, 2^284877313 is an apocalyptic number.

It is an amenable number.

284877313 is a deficient number, since it is larger than the sum of its proper divisors (59848319).

284877313 is a wasteful number, since it uses less digits than its factorization.

284877313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393951.

The product of its digits is 225792, while the sum is 43.

The square root of 284877313 is about 16878.3089496549. The cubic root of 284877313 is about 657.9899920873.

The spelling of 284877313 in words is "two hundred eighty-four million, eight hundred seventy-seven thousand, three hundred thirteen".