4030005 has 24 divisors (see below), whose sum is σ = 7502112. Its totient is φ = 1841952.

The previous prime is 4029979. The next prime is 4030007. The reversal of 4030005 is 5000304.

It is not a de Polignac number, because 4030005 - 2⁵ = 4029973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2007 + ... + 3476.

It is an arithmetic number, because the mean of its divisors is an integer number (312588).

Almost surely, 2^4030005 is an apocalyptic number.

It is an amenable number.

4030005 is a deficient number, since it is larger than the sum of its proper divisors (3472107).

4030005 is a wasteful number, since it uses less digits than its factorization.

4030005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 4030005 is about 2007.4872353268. The cubic root of 4030005 is about 159.1360332605.

Adding to 4030005 its reverse (5000304), we get a palindrome (9030309).

Subtracting 4030005 from its reverse (5000304), we obtain a cube (970299 = 99³).

The spelling of 4030005 in words is "four million, thirty thousand, five".