905385 has 16 divisors (see below), whose sum is σ = 1560384. Its totient is φ = 445632.

The previous prime is 905381. The next prime is 905413. The reversal of 905385 is 583509.

905385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 905385 - 2² = 905381 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (905381) 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, 2127 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (97524).

2⁹⁰⁵³⁸⁵ is an apocalyptic number.

It is an amenable number.

905385 is a deficient number, since it is larger than the sum of its proper divisors (654999).

905385 is a wasteful number, since it uses less digits than its factorization.

905385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 905385 is about 951.5172095133. The cubic root of 905385 is about 96.7411171728.

The spelling of 905385 in words is "nine hundred five thousand, three hundred eighty-five".