1006940939 has 2 divisors, whose sum is σ = 1006940940. Its totient is φ = 1006940938.

The previous prime is 1006940911. The next prime is 1006940953. The reversal of 1006940939 is 9390496001.

It is a strong prime.

It is an emirp because it is prime and its reverse (9390496001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006940939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1006940896 and 1006940905.

It is not a weakly prime, because it can be changed into another prime (1006940239) 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 as a sum of consecutive naturals, namely, 503470469 + 503470470.

It is an arithmetic number, because the mean of its divisors is an integer number (503470470).

Almost surely, 2^1006940939 is an apocalyptic number.

1006940939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006940939 is an equidigital number, since it uses as much as digits as its factorization.

1006940939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 1006940939 is about 31732.3327065629. The cubic root of 1006940939 is about 1002.3083139204.

The spelling of 1006940939 in words is "one billion, six million, nine hundred forty thousand, nine hundred thirty-nine".