385039697 has 6 divisors (see below), whose sum is σ = 447903378. Its totient is φ = 330033984.

The previous prime is 385039679. The next prime is 385039717. The reversal of 385039697 is 796930583.

It can be written as a sum of positive squares in only one way, i.e., 230310976 + 154728721 = 15176^2 + 12439^2 .

It is not a de Polignac number, because 385039697 - 2¹⁰ = 385038673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385039097) 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 5 ways as a sum of consecutive naturals, for example, 3928928 + ... + 3929025.

It is an arithmetic number, because the mean of its divisors is an integer number (74650563).

Almost surely, 2^385039697 is an apocalyptic number.

It is an amenable number.

385039697 is a deficient number, since it is larger than the sum of its proper divisors (62863681).

385039697 is an equidigital number, since it uses as much as digits as its factorization.

385039697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857967 (or 7857960 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 385039697 is about 19622.4284175023. The cubic root of 385039697 is about 727.5036372401.

The spelling of 385039697 in words is "three hundred eighty-five million, thirty-nine thousand, six hundred ninety-seven".