68284244 has 18 divisors (see below), whose sum is σ = 139007610. Its totient is φ = 29264592.

The previous prime is 68284211. The next prime is 68284247. The reversal of 68284244 is 44248286.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 56644 = 8260^2 + 238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68284198 and 68284207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68284247) 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 5 ways as a sum of consecutive naturals, for example, 173999 + ... + 174390.

It is an arithmetic number, because the mean of its divisors is an integer number (7722645).

Almost surely, 2^68284244 is an apocalyptic number.

It is an amenable number.

68284244 is an abundant number, since it is smaller than the sum of its proper divisors (70723366).

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

68284244 is a wasteful number, since it uses less digits than its factorization.

68284244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348407 (or 348398 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 68284244 is about 8263.4281021862. The cubic root of 68284244 is about 408.7334382152.

The spelling of 68284244 in words is "sixty-eight million, two hundred eighty-four thousand, two hundred forty-four".