1940339 has 2 divisors, whose sum is σ = 1940340. Its totient is φ = 1940338.

The previous prime is 1940327. The next prime is 1940371. The reversal of 1940339 is 9330491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1940339 - 2⁸ = 1940083 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1940399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970169 + 970170.

It is an arithmetic number, because the mean of its divisors is an integer number (970170).

2^1940339 is an apocalyptic number.

1940339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940339 is an equidigital number, since it uses as much as digits as its factorization.

1940339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1940339 is about 1392.9605163105. The cubic root of 1940339 is about 124.7266346067.

The spelling of 1940339 in words is "one million, nine hundred forty thousand, three hundred thirty-nine".