4003011 has 12 divisors (see below), whose sum is σ = 5809440. Its totient is φ = 2656080.

The previous prime is 4003001. The next prime is 4003019. The reversal of 4003011 is 1103004.

4003011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4003011 - 2⁵ = 4002979 is a prime.

It is a super-2 number, since 2×4003011² = 32048194132242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4002984 and 4003002.

It is not an unprimeable number, because it can be changed into a prime (4003019) 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 11 ways as a sum of consecutive naturals, for example, 1221 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (484120).

Almost surely, 2^4003011 is an apocalyptic number.

4003011 is a deficient number, since it is larger than the sum of its proper divisors (1806429).

4003011 is a wasteful number, since it uses less digits than its factorization.

4003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 4003011 is about 2000.7526083952. The cubic root of 4003011 is about 158.7799257449.

Adding to 4003011 its reverse (1103004), we get a palindrome (5106015).

The spelling of 4003011 in words is "four million, three thousand, eleven".