385338331 has 8 divisors (see below), whose sum is σ = 444747744. Its totient is φ = 327019200.

The previous prime is 385338329. The next prime is 385338361. The reversal of 385338331 is 133833583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385338331 - 2¹ = 385338329 is a prime.

It is a super-2 number, since 2×385338331² = 296971258675731122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385338361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271810 + ... + 273223.

It is an arithmetic number, because the mean of its divisors is an integer number (55593468).

Almost surely, 2^385338331 is an apocalyptic number.

385338331 is a deficient number, since it is larger than the sum of its proper divisors (59409413).

385338331 is a wasteful number, since it uses less digits than its factorization.

385338331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545141.

The product of its digits is 77760, while the sum is 37.

The square root of 385338331 is about 19630.0364492784. The cubic root of 385338331 is about 727.6916708198.

It can be divided in two parts, 38533 and 8331, that added together give a palindrome (46864).

The spelling of 385338331 in words is "three hundred eighty-five million, three hundred thirty-eight thousand, three hundred thirty-one".