385147 has 4 divisors (see below), whose sum is σ = 440176. Its totient is φ = 330120.

The previous prime is 385141. The next prime is 385153. The reversal of 385147 is 741583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741583 = 293 ⋅2531.

It is an interprime number because it is at equal distance from previous prime (385141) and next prime (385153).

It is not a de Polignac number, because 385147 - 2³ = 385139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27504 + ... + 27517.

It is an arithmetic number, because the mean of its divisors is an integer number (110044).

2³⁸⁵¹⁴⁷ is an apocalyptic number.

385147 is a deficient number, since it is larger than the sum of its proper divisors (55029).

385147 is an equidigital number, since it uses as much as digits as its factorization.

385147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55028.

The product of its digits is 3360, while the sum is 28.

The square root of 385147 is about 620.6021269703. The cubic root of 385147 is about 72.7571211288.

The spelling of 385147 in words is "three hundred eighty-five thousand, one hundred forty-seven".