385102417 has 6 divisors (see below), whose sum is σ = 447976338. Its totient is φ = 330087744.

The previous prime is 385102391. The next prime is 385102423. The reversal of 385102417 is 714201583.

It can be written as a sum of positive squares in only one way, i.e., 293402641 + 91699776 = 17129^2 + 9576^2 .

It is not a de Polignac number, because 385102417 - 2¹⁵ = 385069649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385102117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3929568 + ... + 3929665.

It is an arithmetic number, because the mean of its divisors is an integer number (74662723).

Almost surely, 2^385102417 is an apocalyptic number.

It is an amenable number.

385102417 is a deficient number, since it is larger than the sum of its proper divisors (62873921).

385102417 is an equidigital number, since it uses as much as digits as its factorization.

385102417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7859247 (or 7859240 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 385102417 is about 19624.0265236266. The cubic root of 385102417 is about 727.5431366745.

The spelling of 385102417 in words is "three hundred eighty-five million, one hundred two thousand, four hundred seventeen".