385512347 has 8 divisors (see below), whose sum is σ = 420701040. Its totient is φ = 350347360.

The previous prime is 385512331. The next prime is 385512371. The reversal of 385512347 is 743215583.

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

It is not a de Polignac number, because 385512347 - 2⁴ = 385512331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385512347.

It is not an unprimeable number, because it can be changed into a prime (385512307) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60929 + ... + 66957.

It is an arithmetic number, because the mean of its divisors is an integer number (52587630).

Almost surely, 2^385512347 is an apocalyptic number.

385512347 is a deficient number, since it is larger than the sum of its proper divisors (35188693).

385512347 is a wasteful number, since it uses less digits than its factorization.

385512347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11853.

The product of its digits is 100800, while the sum is 38.

The square root of 385512347 is about 19634.4683401410. The cubic root of 385512347 is about 727.8011944312.

The spelling of 385512347 in words is "three hundred eighty-five million, five hundred twelve thousand, three hundred forty-seven".