4030385 has 16 divisors (see below), whose sum is σ = 5023296. Its totient is φ = 3102528.

The previous prime is 4030379. The next prime is 4030387. The reversal of 4030385 is 5830304.

It is a cyclic number.

It is not a de Polignac number, because 4030385 - 2⁶ = 4030321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4030385.

It is not an unprimeable number, because it can be changed into a prime (4030387) 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, 17642 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (313956).

Almost surely, 2^4030385 is an apocalyptic number.

It is an amenable number.

4030385 is a deficient number, since it is larger than the sum of its proper divisors (992911).

4030385 is a wasteful number, since it uses less digits than its factorization.

4030385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

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

The square root of 4030385 is about 2007.5818787785. The cubic root of 4030385 is about 159.1410348913.

Adding to 4030385 its reverse (5830304), we get a palindrome (9860689).

The spelling of 4030385 in words is "four million, thirty thousand, three hundred eighty-five".