385336331 has 8 divisors (see below), whose sum is σ = 408174624. Its totient is φ = 362517120.

The previous prime is 385336307. The next prime is 385336339. The reversal of 385336331 is 133633583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385336331 is a prime.

It is a super-2 number, since 2×385336331² = 296968175977083122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385336291 and 385336300.

It is not an unprimeable number, because it can be changed into a prime (385336339) 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, 76841 + ... + 81701.

It is an arithmetic number, because the mean of its divisors is an integer number (51021828).

Almost surely, 2^385336331 is an apocalyptic number.

385336331 is a deficient number, since it is larger than the sum of its proper divisors (22838293).

385336331 is a wasteful number, since it uses less digits than its factorization.

385336331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541.

The product of its digits is 58320, while the sum is 35.

The square root of 385336331 is about 19629.9855068719. The cubic root of 385336331 is about 727.6904118518.

The spelling of 385336331 in words is "three hundred eighty-five million, three hundred thirty-six thousand, three hundred thirty-one".