385388517 has 8 divisors (see below), whose sum is σ = 514040896. Its totient is φ = 256830912.

The previous prime is 385388513. The next prime is 385388527. The reversal of 385388517 is 715883583.

It is a happy number.

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

It is not a de Polignac number, because 385388517 - 2² = 385388513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385388513) 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, 13588 + ... + 30909.

It is an arithmetic number, because the mean of its divisors is an integer number (64255112).

Almost surely, 2^385388517 is an apocalyptic number.

It is an amenable number.

385388517 is a deficient number, since it is larger than the sum of its proper divisors (128652379).

385388517 is a wasteful number, since it uses less digits than its factorization.

385388517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387.

The product of its digits is 806400, while the sum is 48.

The square root of 385388517 is about 19631.3147038093. The cubic root of 385388517 is about 727.7232606772.

The spelling of 385388517 in words is "three hundred eighty-five million, three hundred eighty-eight thousand, five hundred seventeen".