385510765 has 8 divisors (see below), whose sum is σ = 463015008. Its totient is φ = 308140560.

The previous prime is 385510753. The next prime is 385510777. The reversal of 385510765 is 567015583.

It is an interprime number because it is at equal distance from previous prime (385510753) and next prime (385510777).

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

It is not a de Polignac number, because 385510765 - 2¹⁹ = 384986477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 27067 + ... + 38776.

It is an arithmetic number, because the mean of its divisors is an integer number (57876876).

Almost surely, 2^385510765 is an apocalyptic number.

It is an amenable number.

385510765 is a deficient number, since it is larger than the sum of its proper divisors (77504243).

385510765 is a wasteful number, since it uses less digits than its factorization.

385510765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67019.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 385510765 is about 19634.4280538039. The cubic root of 385510765 is about 727.8001988875.

The spelling of 385510765 in words is "three hundred eighty-five million, five hundred ten thousand, seven hundred sixty-five".