385605745 has 32 divisors (see below), whose sum is σ = 557107200. Its totient is φ = 255850560.

The previous prime is 385605739. The next prime is 385605751. The reversal of 385605745 is 547506583.

It is an interprime number because it is at equal distance from previous prime (385605739) and next prime (385605751).

It is not a de Polignac number, because 385605745 - 2¹¹ = 385603697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49539 + ... + 56791.

It is an arithmetic number, because the mean of its divisors is an integer number (17409600).

Almost surely, 2^385605745 is an apocalyptic number.

385605745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385605745 is a deficient number, since it is larger than the sum of its proper divisors (171501455).

385605745 is an equidigital number, since it uses as much as digits as its factorization.

385605745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310 (or 7296 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 385605745 is about 19636.8466154828. The cubic root of 385605745 is about 727.8599644358.

The spelling of 385605745 in words is "three hundred eighty-five million, six hundred five thousand, seven hundred forty-five".