1073684939 has 2 divisors, whose sum is σ = 1073684940. Its totient is φ = 1073684938.

The previous prime is 1073684923. The next prime is 1073684987. The reversal of 1073684939 is 9394863701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1073684939 - 2⁴ = 1073684923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1073684239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536842469 + 536842470.

It is an arithmetic number, because the mean of its divisors is an integer number (536842470).

Almost surely, 2^1073684939 is an apocalyptic number.

1073684939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073684939 is an equidigital number, since it uses as much as digits as its factorization.

1073684939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 1073684939 is about 32767.1319922876. The cubic root of 1073684939 is about 1023.9819164262.

The spelling of 1073684939 in words is "one billion, seventy-three million, six hundred eighty-four thousand, nine hundred thirty-nine".