1340349 has 8 divisors (see below), whose sum is σ = 1798752. Its totient is φ = 887760.

The previous prime is 1340333. The next prime is 1340357. The reversal of 1340349 is 9430431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340349 - 2⁴ = 1340333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (224844).

2^1340349 is an apocalyptic number.

It is an amenable number.

1340349 is a deficient number, since it is larger than the sum of its proper divisors (458403).

1340349 is a wasteful number, since it uses less digits than its factorization.

1340349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1340349 is about 1157.7344255053. The cubic root of 1340349 is about 110.2569475417.

The spelling of 1340349 in words is "one million, three hundred forty thousand, three hundred forty-nine".