385538 has 8 divisors (see below), whose sum is σ = 591888. Its totient is φ = 188244.

The previous prime is 385537. The next prime is 385559. The reversal of 385538 is 835583.

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

It is not an unprimeable number, because it can be changed into a prime (385531) 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 3 ways as a sum of consecutive naturals, for example, 2156 + ... + 2327.

It is an arithmetic number, because the mean of its divisors is an integer number (73986).

2³⁸⁵⁵³⁸ is an apocalyptic number.

385538 is a deficient number, since it is larger than the sum of its proper divisors (206350).

385538 is a wasteful number, since it uses less digits than its factorization.

385538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its digits is 14400, while the sum is 32.

The square root of 385538 is about 620.9170637050. The cubic root of 385538 is about 72.7817337338.

The spelling of 385538 in words is "three hundred eighty-five thousand, five hundred thirty-eight".