385991795 has 16 divisors (see below), whose sum is σ = 531879168. Its totient is φ = 263420640.

The previous prime is 385991791. The next prime is 385991831. The reversal of 385991795 is 597199583.

It is not a de Polignac number, because 385991795 - 2² = 385991791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385991795.

It is not an unprimeable number, because it can be changed into a prime (385991791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18749 + ... + 33518.

It is an arithmetic number, because the mean of its divisors is an integer number (33242448).

Almost surely, 2^385991795 is an apocalyptic number.

385991795 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385991795 is a deficient number, since it is larger than the sum of its proper divisors (145887373).

385991795 is a wasteful number, since it uses less digits than its factorization.

385991795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52490.

The product of its digits is 3061800, while the sum is 56.

The square root of 385991795 is about 19646.6738915268. The cubic root of 385991795 is about 728.1027829308.

The spelling of 385991795 in words is "three hundred eighty-five million, nine hundred ninety-one thousand, seven hundred ninety-five".