385330191 has 8 divisors (see below), whose sum is σ = 514200624. Its totient is φ = 256673280.

The previous prime is 385330189. The next prime is 385330213. The reversal of 385330191 is 191033583.

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

It is not a de Polignac number, because 385330191 - 2¹ = 385330189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385330171) 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, 49120 + ... + 56421.

It is an arithmetic number, because the mean of its divisors is an integer number (64275078).

Almost surely, 2^385330191 is an apocalyptic number.

385330191 is a deficient number, since it is larger than the sum of its proper divisors (128870433).

385330191 is a wasteful number, since it uses less digits than its factorization.

385330191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106761.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 385330191 is about 19629.8291128578. The cubic root of 385330191 is about 727.6865467929.

The spelling of 385330191 in words is "three hundred eighty-five million, three hundred thirty thousand, one hundred ninety-one".