4000030 has 16 divisors (see below), whose sum is σ = 7231680. Its totient is φ = 1592992.

The previous prime is 3999971. The next prime is 4000037. The reversal of 4000030 is 300004.

4000030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3999977 and 4000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947 + ... + 3433.

It is an arithmetic number, because the mean of its divisors is an integer number (451980).

Almost surely, 2^4000030 is an apocalyptic number.

4000030 is a deficient number, since it is larger than the sum of its proper divisors (3231650).

4000030 is a wasteful number, since it uses less digits than its factorization.

4000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 4000030 is about 2000.0074999859. The cubic root of 4000030 is about 158.7405020461.

Adding to 4000030 its reverse (300004), we get a palindrome (4300034).

The spelling of 4000030 in words is "four million, thirty", and thus it is an aban number and an eban number.