39340061 has 2 divisors, whose sum is σ = 39340062. Its totient is φ = 39340060.

The previous prime is 39340039. The next prime is 39340069. The reversal of 39340061 is 16004393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33120025 + 6220036 = 5755^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 39340061 - 2⁶ = 39339997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39340061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39340069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19670030 + 19670031.

It is an arithmetic number, because the mean of its divisors is an integer number (19670031).

Almost surely, 2^39340061 is an apocalyptic number.

It is an amenable number.

39340061 is a deficient number, since it is larger than the sum of its proper divisors (1).

39340061 is an equidigital number, since it uses as much as digits as its factorization.

39340061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 39340061 is about 6272.1655749829. The cubic root of 39340061 is about 340.1039503376.

The spelling of 39340061 in words is "thirty-nine million, three hundred forty thousand, sixty-one".