284877345 has 16 divisors (see below), whose sum is σ = 456435072. Its totient is φ = 151724160.

The previous prime is 284877343. The next prime is 284877361. The reversal of 284877345 is 543778482.

It is not a de Polignac number, because 284877345 - 2¹ = 284877343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284877294 and 284877303.

It is not an unprimeable number, because it can be changed into a prime (284877343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 23925.

It is an arithmetic number, because the mean of its divisors is an integer number (28527192).

Almost surely, 2^284877345 is an apocalyptic number.

It is an amenable number.

284877345 is a deficient number, since it is larger than the sum of its proper divisors (171557727).

284877345 is a wasteful number, since it uses less digits than its factorization.

284877345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26312.

The product of its digits is 1505280, while the sum is 48.

The square root of 284877345 is about 16878.3098976171. The cubic root of 284877345 is about 657.9900167245.

The spelling of 284877345 in words is "two hundred eighty-four million, eight hundred seventy-seven thousand, three hundred forty-five".