39604673 has 2 divisors, whose sum is σ = 39604674. Its totient is φ = 39604672.

The previous prime is 39604667. The next prime is 39604681. The reversal of 39604673 is 37640693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 12439729 = 5212^2 + 3527^2 .

It is an emirp because it is prime and its reverse (37640693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39604673 - 2¹⁰ = 39603649 is a prime.

It is not a weakly prime, because it can be changed into another prime (39604603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19802336 + 19802337.

It is an arithmetic number, because the mean of its divisors is an integer number (19802337).

Almost surely, 2^39604673 is an apocalyptic number.

It is an amenable number.

39604673 is a deficient number, since it is larger than the sum of its proper divisors (1).

39604673 is an equidigital number, since it uses as much as digits as its factorization.

39604673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 39604673 is about 6293.2243722912. The cubic root of 39604673 is about 340.8647910393.

The spelling of 39604673 in words is "thirty-nine million, six hundred four thousand, six hundred seventy-three".