385661595 has 16 divisors (see below), whose sum is σ = 673155072. Its totient is φ = 186987360.

The previous prime is 385661567. The next prime is 385661597. The reversal of 385661595 is 595166583.

It is a happy number.

It is not a de Polignac number, because 385661595 - 2⁹ = 385661083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385661597) 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 15 ways as a sum of consecutive naturals, for example, 1168507 + ... + 1168836.

It is an arithmetic number, because the mean of its divisors is an integer number (42072192).

Almost surely, 2^385661595 is an apocalyptic number.

385661595 is a deficient number, since it is larger than the sum of its proper divisors (287493477).

385661595 is a wasteful number, since it uses less digits than its factorization.

385661595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337362.

The product of its digits is 972000, while the sum is 48.

The square root of 385661595 is about 19638.2686354984. The cubic root of 385661595 is about 727.8951031036.

The spelling of 385661595 in words is "three hundred eighty-five million, six hundred sixty-one thousand, five hundred ninety-five".