385811745 has 32 divisors (see below), whose sum is σ = 675181440. Its totient is φ = 186570240.

The previous prime is 385811743. The next prime is 385811759. The reversal of 385811745 is 547118583.

It is not a de Polignac number, because 385811745 - 2¹ = 385811743 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 385811697 and 385811706.

It is not an unprimeable number, because it can be changed into a prime (385811743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64627 + ... + 70343.

It is an arithmetic number, because the mean of its divisors is an integer number (21099420).

Almost surely, 2^385811745 is an apocalyptic number.

It is an amenable number.

385811745 is a deficient number, since it is larger than the sum of its proper divisors (289369695).

385811745 is a wasteful number, since it uses less digits than its factorization.

385811745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145.

The product of its digits is 134400, while the sum is 42.

The square root of 385811745 is about 19642.0911564935. The cubic root of 385811745 is about 727.9895548807.

The spelling of 385811745 in words is "three hundred eighty-five million, eight hundred eleven thousand, seven hundred forty-five".