385727155 has 16 divisors (see below), whose sum is σ = 505634400. Its totient is φ = 280149760.

The previous prime is 385727143. The next prime is 385727159. The reversal of 385727155 is 551727583.

It is not a de Polignac number, because 385727155 - 2⁹ = 385726643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385727159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40161 + ... + 48829.

It is an arithmetic number, because the mean of its divisors is an integer number (31602150).

Almost surely, 2^385727155 is an apocalyptic number.

385727155 is a deficient number, since it is larger than the sum of its proper divisors (119907245).

385727155 is a wasteful number, since it uses less digits than its factorization.

385727155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494.

The product of its digits is 294000, while the sum is 43.

The square root of 385727155 is about 19639.9377544838. The cubic root of 385727155 is about 727.9363466012.

The spelling of 385727155 in words is "three hundred eighty-five million, seven hundred twenty-seven thousand, one hundred fifty-five".