1385372317 has 8 divisors (see below), whose sum is σ = 1652121216. Its totient is φ = 1135833072.

The previous prime is 1385372297. The next prime is 1385372393. The reversal of 1385372317 is 7132735831.

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 1385372317 - 2¹¹ = 1385370269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385372317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385372017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302238 + ... + 4302559.

It is an arithmetic number, because the mean of its divisors is an integer number (206515152).

Almost surely, 2^1385372317 is an apocalyptic number.

It is an amenable number.

1385372317 is a deficient number, since it is larger than the sum of its proper divisors (266748899).

1385372317 is an equidigital number, since it uses as much as digits as its factorization.

1385372317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604827.

The product of its digits is 105840, while the sum is 40.

The square root of 1385372317 is about 37220.5899603969. The cubic root of 1385372317 is about 1114.7791439872.

The spelling of 1385372317 in words is "one billion, three hundred eighty-five million, three hundred seventy-two thousand, three hundred seventeen".