385090 has 16 divisors (see below), whose sum is σ = 702072. Its totient is φ = 152064.

The previous prime is 385087. The next prime is 385109. The reversal of 385090 is 90583.

385090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 326041 + 59049 = 571^2 + 243^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 772 + ... + 1168.

2³⁸⁵⁰⁹⁰ is an apocalyptic number.

385090 is a deficient number, since it is larger than the sum of its proper divisors (316982).

385090 is a wasteful number, since it uses less digits than its factorization.

385090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 385090 is about 620.5562021284. The cubic root of 385090 is about 72.7535317109.

The spelling of 385090 in words is "three hundred eighty-five thousand, ninety".