385209195 has 32 divisors (see below), whose sum is σ = 706268160. Its totient is φ = 175624320.

The previous prime is 385209169. The next prime is 385209217. The reversal of 385209195 is 591902583.

It is not a de Polignac number, because 385209195 - 2⁷ = 385209067 is a prime.

It is a super-2 number, since 2×385209195² = 296772247825096050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36130 + ... + 45560.

It is an arithmetic number, because the mean of its divisors is an integer number (22070880).

Almost surely, 2^385209195 is an apocalyptic number.

385209195 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385209195 is a deficient number, since it is larger than the sum of its proper divisors (321058965).

385209195 is a wasteful number, since it uses less digits than its factorization.

385209195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 385209195 is about 19626.7469286176. The cubic root of 385209195 is about 727.6103728336.

The spelling of 385209195 in words is "three hundred eighty-five million, two hundred nine thousand, one hundred ninety-five".