385403 has 2 divisors, whose sum is σ = 385404. Its totient is φ = 385402.

The previous prime is 385397. The next prime is 385417. The reversal of 385403 is 304583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385403 - 2¹⁸ = 123259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192701 + 192702.

It is an arithmetic number, because the mean of its divisors is an integer number (192702).

2³⁸⁵⁴⁰³ is an apocalyptic number.

385403 is a deficient number, since it is larger than the sum of its proper divisors (1).

385403 is an equidigital number, since it uses as much as digits as its factorization.

385403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 385403 is about 620.8083440161. The cubic root of 385403 is about 72.7732376572.

Adding to 385403 its reverse (304583), we get a palindrome (689986).

The spelling of 385403 in words is "three hundred eighty-five thousand, four hundred three".