385234993 has 12 divisors (see below), whose sum is σ = 455072688. Its totient is φ = 323272560.

The previous prime is 385234963. The next prime is 385235017. The reversal of 385234993 is 399432583.

It is not a de Polignac number, because 385234993 - 2⁵ = 385234961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385234963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101755 + ... + 105472.

It is an arithmetic number, because the mean of its divisors is an integer number (37922724).

Almost surely, 2^385234993 is an apocalyptic number.

It is an amenable number.

385234993 is a deficient number, since it is larger than the sum of its proper divisors (69837695).

385234993 is a wasteful number, since it uses less digits than its factorization.

385234993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207264 (or 207251 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 385234993 is about 19627.4041329973. The cubic root of 385234993 is about 727.6266155001.

The spelling of 385234993 in words is "three hundred eighty-five million, two hundred thirty-four thousand, nine hundred ninety-three".