1340339 has 24 divisors (see below), whose sum is σ = 1827072. Its totient is φ = 954720.

The previous prime is 1340333. The next prime is 1340357. The reversal of 1340339 is 9330431.

It is not a de Polignac number, because 1340339 - 2⁴ = 1340323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12962 + ... + 13064.

It is an arithmetic number, because the mean of its divisors is an integer number (76128).

2^1340339 is an apocalyptic number.

1340339 is a deficient number, since it is larger than the sum of its proper divisors (486733).

1340339 is a wasteful number, since it uses less digits than its factorization.

1340339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1340339 is about 1157.7301067175. The cubic root of 1340339 is about 110.2566733414.

The spelling of 1340339 in words is "one million, three hundred forty thousand, three hundred thirty-nine".