385217102 has 4 divisors (see below), whose sum is σ = 577825656. Its totient is φ = 192608550.

The previous prime is 385217089. The next prime is 385217111. The reversal of 385217102 is 201712583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201712583 = 983 ⋅205201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96304274 + ... + 96304277.

It is an arithmetic number, because the mean of its divisors is an integer number (144456414).

Almost surely, 2^385217102 is an apocalyptic number.

385217102 is a deficient number, since it is larger than the sum of its proper divisors (192608554).

385217102 is a wasteful number, since it uses less digits than its factorization.

385217102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192608553.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 385217102 is about 19626.9483618824. The cubic root of 385217102 is about 727.6153512332.

Adding to 385217102 its reverse (201712583), we get a palindrome (586929685).

The spelling of 385217102 in words is "three hundred eighty-five million, two hundred seventeen thousand, one hundred two".