284136228 has 24 divisors (see below), whose sum is σ = 736649760. Its totient is φ = 94712040.

The previous prime is 284136199. The next prime is 284136239. The reversal of 284136228 is 822631482.

284136228 is a `hidden beast` number, since 28 + 4 + 1 + 3 + 622 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 284136192 and 284136201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315338 + ... + 1315553.

It is an arithmetic number, because the mean of its divisors is an integer number (30693740).

Almost surely, 2^284136228 is an apocalyptic number.

It is an amenable number.

284136228 is an abundant number, since it is smaller than the sum of its proper divisors (452513532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284136228 is a wasteful number, since it uses less digits than its factorization.

284136228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630904 (or 2630896 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 284136228 is about 16856.3408840709. The cubic root of 284136228 is about 657.4189275819.

The spelling of 284136228 in words is "two hundred eighty-four million, one hundred thirty-six thousand, two hundred twenty-eight".