1366336 has 28 divisors (see below), whose sum is σ = 2789428. Its totient is φ = 663552.

The previous prime is 1366333. The next prime is 1366349. The reversal of 1366336 is 6336631.

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 57600 = 1144^2 + 240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080 + ... + 2656.

2^1366336 is an apocalyptic number.

1366336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394714).

1366336 is an abundant number, since it is smaller than the sum of its proper divisors (1423092).

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

1366336 is an equidigital number, since it uses as much as digits as its factorization.

1366336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 616 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

The square root of 1366336 is about 1168.9037599392. The cubic root of 1366336 is about 110.9649539010.

The spelling of 1366336 in words is "one million, three hundred sixty-six thousand, three hundred thirty-six".