385915 has 8 divisors (see below), whose sum is σ = 469440. Its totient is φ = 304512.

The previous prime is 385907. The next prime is 385927. The reversal of 385915 is 519583.

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

It is a cyclic number.

It is not a de Polignac number, because 385915 - 2³ = 385907 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (58680).

2³⁸⁵⁹¹⁵ is an apocalyptic number.

385915 is a deficient number, since it is larger than the sum of its proper divisors (83525).

385915 is an equidigital number, since it uses as much as digits as its factorization.

385915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 5400, while the sum is 31.

The square root of 385915 is about 621.2205727437. The cubic root of 385915 is about 72.8054493164.

The spelling of 385915 in words is "three hundred eighty-five thousand, nine hundred fifteen".