39304040393 has 8 divisors (see below), whose sum is σ = 40245717600. Its totient is φ = 38363619168.

The previous prime is 39304040389. The next prime is 39304040407.

It is a happy number.

39304040393 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39304040393 - 2² = 39304040389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39304040323) 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 in 7 ways as a sum of consecutive naturals, for example, 250508 + ... + 375981.

It is an arithmetic number, because the mean of its divisors is an integer number (5030714700).

Almost surely, 2^39304040393 is an apocalyptic number.

It is an amenable number.

39304040393 is a deficient number, since it is larger than the sum of its proper divisors (941677207).

39304040393 is a wasteful number, since it uses less digits than its factorization.

39304040393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627991.

The product of its (nonzero) digits is 104976, while the sum is 38.

The spelling of 39304040393 in words is "thirty-nine billion, three hundred four million, forty thousand, three hundred ninety-three".