284836956 has 48 divisors (see below), whose sum is σ = 689351040. Its totient is φ = 91430080.

The previous prime is 284836943. The next prime is 284836957. The reversal of 284836956 is 659638482.

It is a super-2 number, since 2×284836956² = 162264183006691872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284836899 and 284836908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284836957) 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, 170035 + ... + 171701.

It is an arithmetic number, because the mean of its divisors is an integer number (14361480).

Almost surely, 2^284836956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284836956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344675520).

284836956 is an abundant number, since it is smaller than the sum of its proper divisors (404514084).

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

284836956 is a wasteful number, since it uses less digits than its factorization.

284836956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2192 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 284836956 is about 16877.1133787742. The cubic root of 284836956 is about 657.9589193472.

The spelling of 284836956 in words is "two hundred eighty-four million, eight hundred thirty-six thousand, nine hundred fifty-six".