385089 has 8 divisors (see below), whose sum is σ = 535872. Its totient is φ = 245520.

The previous prime is 385087. The next prime is 385109. The reversal of 385089 is 980583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385089 - 2¹ = 385087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (66984).

2³⁸⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

385089 is a deficient number, since it is larger than the sum of its proper divisors (150783).

385089 is a wasteful number, since it uses less digits than its factorization.

385089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 385089 is about 620.5553963991. Note that the first 3 decimals coincide. The cubic root of 385089 is about 72.7534687355.

The spelling of 385089 in words is "three hundred eighty-five thousand, eighty-nine".