385323197 has 16 divisors (see below), whose sum is σ = 449926272. Its totient is φ = 323144640.

The previous prime is 385323187. The next prime is 385323223. The reversal of 385323197 is 791323583.

It is not a de Polignac number, because 385323197 - 2¹⁰ = 385322173 is a prime.

It is a super-2 number, since 2×385323197² = 296947932292601618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385323137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154958 + ... + 157424.

It is an arithmetic number, because the mean of its divisors is an integer number (28120392).

Almost surely, 2^385323197 is an apocalyptic number.

It is an amenable number.

385323197 is a deficient number, since it is larger than the sum of its proper divisors (64603075).

385323197 is a wasteful number, since it uses less digits than its factorization.

385323197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its digits is 136080, while the sum is 41.

The square root of 385323197 is about 19629.6509648032. The cubic root of 385323197 is about 727.6821441008.

It can be divided in two parts, 38 and 5323197, that added together give a palindrome (5323235).

The spelling of 385323197 in words is "three hundred eighty-five million, three hundred twenty-three thousand, one hundred ninety-seven".