4005026 has 8 divisors (see below), whose sum is σ = 6017004. Its totient is φ = 1999360.

The previous prime is 4005019. The next prime is 4005049. The reversal of 4005026 is 6205004.

4005026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3996001 + 9025 = 1999^2 + 95^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4004995 and 4005013.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 626 + ... + 2898.

Almost surely, 2^4005026 is an apocalyptic number.

4005026 is a deficient number, since it is larger than the sum of its proper divisors (2011978).

4005026 is a wasteful number, since it uses less digits than its factorization.

4005026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4005026 is about 2001.2561055497. The cubic root of 4005026 is about 158.8065630172.

The spelling of 4005026 in words is "four million, five thousand, twenty-six".