385303 has 4 divisors (see below), whose sum is σ = 386848. Its totient is φ = 383760.

The previous prime is 385291. The next prime is 385321. The reversal of 385303 is 303583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385393) 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, 303 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (96712).

2³⁸⁵³⁰³ is an apocalyptic number.

385303 is a deficient number, since it is larger than the sum of its proper divisors (1545).

385303 is a wasteful number, since it uses less digits than its factorization.

385303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 385303 is about 620.7277986364. The cubic root of 385303 is about 72.7669429880.

Adding to 385303 its reverse (303583), we get a palindrome (688886).

The spelling of 385303 in words is "three hundred eighty-five thousand, three hundred three".