1340328 has 32 divisors (see below), whose sum is σ = 3656160. Its totient is φ = 406080.

The previous prime is 1340327. The next prime is 1340329. The reversal of 1340328 is 8230431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340327) and next prime (1340329).

It is not an unprimeable number, because it can be changed into a prime (1340321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (114255).

2^1340328 is an apocalyptic number.

It is an amenable number.

1340328 is an abundant number, since it is smaller than the sum of its proper divisors (2315832).

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

1340328 is a wasteful number, since it uses less digits than its factorization.

1340328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1340328 is about 1157.7253560322. The cubic root of 1340328 is about 110.2563717195.

Adding to 1340328 its reverse (8230431), we get a palindrome (9570759).

It can be divided in two parts, 13403 and 28, that added together give a palindrome (13431).

The spelling of 1340328 in words is "one million, three hundred forty thousand, three hundred twenty-eight".