284418136 has 16 divisors (see below), whose sum is σ = 533463840. Its totient is φ = 142161120.

The previous prime is 284418131. The next prime is 284418179. The reversal of 284418136 is 631814482.

It is a junction number, because it is equal to n+sod(n) for n = 284418095 and 284418104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284418131) 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 3 ways as a sum of consecutive naturals, for example, 39745 + ... + 46351.

It is an arithmetic number, because the mean of its divisors is an integer number (33341490).

Almost surely, 2^284418136 is an apocalyptic number.

It is an amenable number.

284418136 is a deficient number, since it is larger than the sum of its proper divisors (249045704).

284418136 is a wasteful number, since it uses less digits than its factorization.

284418136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994 (or 11990 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 284418136 is about 16864.7008867635. The cubic root of 284418136 is about 657.6362768411.

The spelling of 284418136 in words is "two hundred eighty-four million, four hundred eighteen thousand, one hundred thirty-six".