1336340 has 24 divisors (see below), whose sum is σ = 2836680. Its totient is φ = 528768.

The previous prime is 1336339. The next prime is 1336343. The reversal of 1336340 is 436331.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 1331716 = 68^2 + 1154^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (118195).

2^1336340 is an apocalyptic number.

1336340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1336340 is an abundant number, since it is smaller than the sum of its proper divisors (1500340).

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

1336340 is a wasteful number, since it uses less digits than its factorization.

1336340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1336340 is about 1156.0017301025. The cubic root of 1336340 is about 110.1469111426.

Subtracting from 1336340 its reverse (436331), we obtain a palindrome (900009).

The spelling of 1336340 in words is "one million, three hundred thirty-six thousand, three hundred forty".