385406 has 8 divisors (see below), whose sum is σ = 660720. Its totient is φ = 165168.

The previous prime is 385403. The next prime is 385417. The reversal of 385406 is 604583.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13751 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (82590).

2³⁸⁵⁴⁰⁶ is an apocalyptic number.

385406 is a deficient number, since it is larger than the sum of its proper divisors (275314).

385406 is a wasteful number, since it uses less digits than its factorization.

385406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27538.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 385406 is about 620.8107602160. The cubic root of 385406 is about 72.7734264805.

Adding to 385406 its reverse (604583), we get a palindrome (989989).

The spelling of 385406 in words is "three hundred eighty-five thousand, four hundred six".