1340322 has 16 divisors (see below), whose sum is σ = 2773440. Its totient is φ = 431312.

The previous prime is 1340321. The next prime is 1340323. The reversal of 1340322 is 2230431.

It is an interprime number because it is at equal distance from previous prime (1340321) and next prime (1340323).

It is a nialpdrome in base 6.

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, 3678 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (173340).

2^1340322 is an apocalyptic number.

1340322 is an abundant number, since it is smaller than the sum of its proper divisors (1433118).

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

1340322 is a wasteful number, since it uses less digits than its factorization.

1340322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1340322 is about 1157.7227647412. The cubic root of 1340322 is about 110.2562071978.

Adding to 1340322 its reverse (2230431), we get a palindrome (3570753).

The spelling of 1340322 in words is "one million, three hundred forty thousand, three hundred twenty-two".