385956687 has 8 divisors (see below), whose sum is σ = 517221936. Its totient is φ = 255997952.

The previous prime is 385956647. The next prime is 385956707. The reversal of 385956687 is 786659583.

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-385956687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385956647) 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, 325938 + ... + 327119.

It is an arithmetic number, because the mean of its divisors is an integer number (64652742).

Almost surely, 2^385956687 is an apocalyptic number.

385956687 is a deficient number, since it is larger than the sum of its proper divisors (131265249).

385956687 is a wasteful number, since it uses less digits than its factorization.

385956687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653257.

The product of its digits is 10886400, while the sum is 57.

The square root of 385956687 is about 19645.7803866377. The cubic root of 385956687 is about 728.0807073255.

The spelling of 385956687 in words is "three hundred eighty-five million, nine hundred fifty-six thousand, six hundred eighty-seven".