284563161 has 9 divisors (see below), whose sum is σ = 411108789. Its totient is φ = 189675036.

The previous prime is 284563141. The next prime is 284563193. The reversal of 284563161 is 161365482.

It is a happy number.

The square root of 284563161 is 16869.

It is a perfect power (a square), and thus also a powerful number.

284563161 is a `hidden beast` number, since 2 + 84 + 563 + 16 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 284563161 - 2⁷ = 284563033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (284563141) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 47796 + ... + 53418.

Almost surely, 2^284563161 is an apocalyptic number.

284563161 is the 16869-th square number.

284563161 is the 8435-th centered octagonal number.

It is an amenable number.

284563161 is a deficient number, since it is larger than the sum of its proper divisors (126545628).

284563161 is an frugal number, since it uses more digits than its factorization.

284563161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252 (or 5626 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The cubic root of 284563161 is about 657.7480342424.

Multiplying 284563161 by its sum of digits (36), we get a square (10244273796 = 101214²).

The spelling of 284563161 in words is "two hundred eighty-four million, five hundred sixty-three thousand, one hundred sixty-one".