1340738 has 12 divisors (see below), whose sum is σ = 2339622. Its totient is φ = 574560.

The previous prime is 1340723. The next prime is 1340743. The reversal of 1340738 is 8370431.

It can be written as a sum of positive squares in only one way, i.e., 840889 + 499849 = 917^2 + 707^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6743 + ... + 6938.

2^1340738 is an apocalyptic number.

1340738 is a deficient number, since it is larger than the sum of its proper divisors (998884).

1340738 is a wasteful number, since it uses less digits than its factorization.

1340738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13697 (or 13690 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1340738 is about 1157.9024138501. The cubic root of 1340738 is about 110.2676128744.

The spelling of 1340738 in words is "one million, three hundred forty thousand, seven hundred thirty-eight".