39794539 has 2 divisors, whose sum is σ = 39794540. Its totient is φ = 39794538.

The previous prime is 39794533. The next prime is 39794543. The reversal of 39794539 is 93549793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39794539 - 2¹⁷ = 39663467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39794492 and 39794501.

It is not a weakly prime, because it can be changed into another prime (39794533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19897269 + 19897270.

It is an arithmetic number, because the mean of its divisors is an integer number (19897270).

Almost surely, 2^39794539 is an apocalyptic number.

39794539 is a deficient number, since it is larger than the sum of its proper divisors (1).

39794539 is an equidigital number, since it uses as much as digits as its factorization.

39794539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 49.

The square root of 39794539 is about 6308.2912900404. The cubic root of 39794539 is about 341.4086282776.

The spelling of 39794539 in words is "thirty-nine million, seven hundred ninety-four thousand, five hundred thirty-nine".