1068636 has 48 divisors (see below), whose sum is σ = 2710400. Its totient is φ = 326592.

The previous prime is 1068631. The next prime is 1068677. The reversal of 1068636 is 6368601.

It is a super-3 number, since 3×1068636³ = 3661092116563330368, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9750 + ... + 9858.

2^1068636 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 1068636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355200).

1068636 is an abundant number, since it is smaller than the sum of its proper divisors (1641764).

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

1068636 is a wasteful number, since it uses less digits than its factorization.

1068636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1068636 is about 1033.7485187414. The cubic root of 1068636 is about 102.2374322743.

The spelling of 1068636 in words is "one million, sixty-eight thousand, six hundred thirty-six".