385793187 has 16 divisors (see below), whose sum is σ = 558868128. Its totient is φ = 235307520.

The previous prime is 385793173. The next prime is 385793203. The reversal of 385793187 is 781397583.

It is not a de Polignac number, because 385793187 - 2¹⁸ = 385531043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385793167) 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, 39364 + ... + 48177.

It is an arithmetic number, because the mean of its divisors is an integer number (34929258).

Almost surely, 2^385793187 is an apocalyptic number.

385793187 is a deficient number, since it is larger than the sum of its proper divisors (173074941).

385793187 is a wasteful number, since it uses less digits than its factorization.

385793187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87670.

The product of its digits is 1270080, while the sum is 51.

The square root of 385793187 is about 19641.6187469363. The cubic root of 385793187 is about 727.9778823082.

The spelling of 385793187 in words is "three hundred eighty-five million, seven hundred ninety-three thousand, one hundred eighty-seven".